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- "2 Ft. O' Buttcrack" (found song from "Dumb and Dumber" comedy film; 1994)
- "2 Ft. O' Buttcrack" (found song from Dumb and Dumber comedy film; 1994)
- "2 Ft. O' Buttcrack" (found song from comedy film; 1994)
- "5/4" (found cancelled Gorillaz music video; 2002)
- "A Nightmare On My Street" (found DJ Jazzy Jeff & The Fresh Prince music video; 1988)
- "A Nightmare On My Street" (found DJ Jazzy Jeff & Will Smith music video; 1988)
- "A Place with No Name" (found Michael Jackson pop song; 1980s-1990s)
- "Absolute" (partially found Greydon Square album; 2004)
- "Absolutely Disgusting" (lost UPN 9 News broadcast; 2005)
- "Album Title Goes Here" (found unused Deadmau5 album tracks; 2009-2012)
- "Alicia's Song" (partially found full version of unidentified song; date unknown)
- "Angles" (lost demo tracks of Strokes album; 2010s)
- "Anti-Duterte Advertisement" (lost radio recording of political attack advertisement; 2016)
- "Baby Bottleneck" (lost deleted scene from Looney Tunes cartoon; 1946)
- "Baby Bottleneck" (lost deleted scene from Looney Tunes short; 1946)
- "Baby Bottleneck" (lost scene from Looney Tunes short; 1946)
- "Barely Real" (lost Codeine EP tracks; 1990s)
- "Barely Real" (lost unreleased tracks from Codeine album; 1990s)
- "Be A Fighter" (lost unreleased Amelia Lily album; 2013)
- "Beat Box" Sessions (partially found various versions of Art of Noise single; 1983)
- "Black Bruce Wayne" (partially found Kanye West song; 2010s)
- "Black Celebration" (partially found Depeche Mode demo tape; 1985)
- "Black Gold" (partially found Jimi Hendrix album; 1970)
- "Block moving game" (partially found builds of cancelled Atari 2600 game from Activision; 1983)
- "Brainstem" (lost preview version of "Pinky and the Brain" song; 1995)
- "California High" (found unreleased Bill Kaulitz solo music video; 2016)
- "Calm Here" (partially found -ED album; 2001)
- "Carnival of Light" (lost experimental Beatles track; 1967)
- "Character Beauty" (partially lost The Miller Stain Limit EP; 2001)
- "Cigarettes and Valentines" (partially found Green Day album; 2003)
- "Cry Baby" (partially lost unreleased songs from Melanie Martinez album; 2014)
- "DGAF" (found All-American Rejects single and music video; 2016)
- "DGAF" (found All-American Rejects song and music video; 2016)
- "DGAF" (unreleased All-American Rejects single and music video, 2016)
- "Dance With The Devil" (found unreleased Prince song; 1989)
- "Dancing With Nobody" (lost Little Mix demo track; existence unconfirmed; 2017)
- "Days of Future Passed" (found alternate Vinyl mix of The Moody Blues album; 1967)
- "Die Muthafucka Die" (lost original version of unreleased Dr. Dre song; 1992)
- "Disjointed Piccaso's Face" (partially found footage aired on Japanese TV; 1983-1984)
- "Disjointed Piccaso's Face" (partially lost footage aired on Japanese TV; 1983-1984)
- "Do What U Want" (partially found unreleased Lady Gaga music video; 2013)
- "Don't Worry Kyoko" (lost They Might Be Giants pre-band cover of Yoko Ono song; 1970s)
- "Dr. Dre hates fans." (partially found YouTube video; 2011)
- "Enough Rope" (lost amateur film by convicted murderer with murder footage of teenage woman; 1985)
- "Eros" (partially found tracks from unfinished Deftones album; 2008)
- "Everyday" (Lost Album Version, 2003)
- "Everyday" (Lost Album Version; 2003)
- "Everyday" (found album version; 2003)
- "Everyday" (found album version of song from "Caillou's Holiday Movie" Canadian animated film; 2003)
- "Everyday" (lost album version; 2003)
- "Everyone Knows That/Ulterior Motives” (partially found full version of unidentified song; date unknown)
- "Fake Doomsday" (lost Filipino doomsday PSA; 1992)
- "Fake Doomsday" (lost Filipino doomsday PSA; existence unconfirmed; 1992)
- "Feel It All" (lost uncensored Tokio Hotel music video; 2016)
- "Fish Tales" (found redrawn colorized version of Looney Tunes short; 1968)
- "Fuktronic" (found Serj Tankian/Jimmy Urine collaboration album; 2012)
- "Fuktronic" (lost Serj Tankian/Jimmy Urine collaboration album; 2012)
- "Get Free" (partially found Rome album; 2014)
- "Glitter" (lost Spanish version of Motley Crue song; 1997)
- "Going Out To Get You-Wooden Mask" (lost Genesis single; 1971)
- "Going Out to Get You"/"Wooden Mask" (lost unreleased Genesis single; 1971)
- "Going Out to Get You" / "Wooden Mask" (lost unreleased Genesis single; 1971)
- "Hate Me Now" (lost uncut version of Nas ft. Puff Daddy music video; 1999)
- "Hats" (lost Blue Nile album tracks; 1980s)
- "Heat Melts Cube" (unreleased Eazy-E diss track; existence unconfirmed; 1993)
- "Heaven and Hell" (lost Ozzy Osbourne vocals of Black Sabbath album; late 1970s)
- "Heaven and Hell" (lost Ozzy vocals of Black Sabbath album; late 1970s)
- "Hello, Billy" (found Filipino TV commercial series, 2000-2001)
- "Helplessness Blues" (lost tracks from Fleet Foxes album; 2000s-2010s)
- "Helplessness Blues" (lost unreleased Fleet Foxes album tracks; 2000s-2010s)
- "His Band And The Street Choir" (lost A Capella version of Van Morrison song; 1970)
- "Hitogata", aka "White Shadow People" (lost Japanese commercial; existence unconfirmed; 1996-2003)
- "Hitogata" (lost Japanese commercial; existence unconfirmed; 1996-2003)
- "Hoy fue un día soleado" (lost newscast excerpt from Mexican journalist Jacobo Zabludovsky; existence unconfirmed; 1968)
- "Hoy fue un día soleado" (newscast excerpt from Mexican journalist Jacobo Zabludovsky; existence unconfirmed; 1968)
- "Humrush" & "Who Me?" (found samples taken from Bert and Ernie "Sesame Street" sketch for "Mr. Hood" album singles; 1970-1991)
- "Humrush" & "Who Me?" (lost samples taken from Bert and Ernie "Sesame Street" sketch for "Mr. Hood" album singles; 1970-1991)
- "I Love Bees" - Hurricane Ivan incident (lost operator call from Halo 2 marketing campaign; 2004)
- "I Love Bees" Hurricane Ivan Incident (lost operator call from Halo 2 marketing campaign; 2004)
- "I Really Like You" (lost unreleased political campaign video; 2015)
- "I Really Like You" Liberal Democrat campaign video (Unreleased political campaign video, 2015)
- "I Wish You Well" (partially found studio version of Imagine Dragons song; 2010)
- "I went on the internet and I found this" (partially found photos showcased during Top Gear News segments; 2008)
- "Ice Cream" (found My Bloody Valentine single; 1985)
- "If She Loved Me" (lost studio recording of Type O Negative song; existence uncomfirmed; 1994)
- "Illiteracy Will Prevail" (found Fecal Matter album; 1985)
- "Image of Doraemon and his friends flying with Takecopters in Singapore" (lost original source for Doraemon artwork; 1990s)
- "In the Distance" (lost unreleased Yasuko Endo single; 1986)
- "Instrumentals" (lost Fear Factory album; 2001)
- "Interface" (partially found Vocaloid song; 2011)
- "It's So Easy" (found Guns N' Roses music video; 1989)
- "Jammin' With Mario" and "Mario's Driving Range" (lost promotional McDonald's browser games; 2006)
- "Joka" (lost animated fan film based on anime series; 1989)
- "Jumping Trains" (partially lost JoJo album; 2011-2013)
- "Just Mail Us The Grammy" (partially lost Rhett & Link album; 2001)
- "Kids' Club" aka "Pink Morning Cartoon" (partially found Columbus, Ohio cartoon; 1990s)
- "LOL SUPERMAN" (lost World Trade Center Plaza footage from the September 11th attacks; 2001)
- "LOL SUPERMAN" (lost World Trade Center Plaza footage from the September 11th attacks; existence unconfirmed; 2001)
- "LOL SUPERMAN" (partially lost World Trade Center Plaza footage from the September 11th attacks; 2001)
- "Laws Of Power" (partially lost cancelled Three 6 Mafia album; 2009-2011)
- "Let Down" (found prototype Radiohead music video; 1997)
- "Let the Sword Descend" (found Morriah demo tape; 1987)
- "Life's A Beach" (found unreleased Trikk Toyzz song; 1988)
- "Living it Sheraton" (found unreleased Mars Argo song; 2013-2014)
- "Lollipops and Politics" (found V.V. Brown album; 2011)
- "Lost media" : the Internet's treasure hunters (translated article
- "Lost media" : the Internet's treasure hunters (translated article)
- "Love Bee" (found music video of Honeyrods song; 1997)
- "Loveless" unreleased EPs (lost songs of My Bloody Valentine album; early 1990s)
- "Luci's Love Child" (found Red Abyss album; 1992)
- "MacLib" (Unreleased Mac Miller and Madlib EP, 2015-2017)
- "MacLib" (unreleased Mac Miller and Madlib EP; 2015-2017)
- "Make Your Own Trailer" (partially lost entries for THX contest; 2006-2007)
- "Make Your Own Trailer" Contest (partially lost entries for THX contest; 2006-2007)
- "Mama's Boyfriend" (partially found unreleased Kanye West song; 2009-2010)
- "Maniac" (lost original demo of Michael Sembello song; 1983)
- "Minnie Takes Care of Pluto" (found original English audio of Disney animated short; 2000)
- "Mister Rogers Talks About Conflict" (found episode arc from children's TV series; 1983)
- "Murda Muzik" (partially found pre-leaked Mobb Deep album; 1999)
- "Music For Supermarkets" (partially lost original recording from Jean-Michel Jarre; 1983)
- "My Sweetheart the Drunk" (partially found Jeff Buckley album tracks; 1996-1997)
- "Nebraska" (lost "electric" version of Bruce Springsteen album; 1982)
- "Nebraska" (lost 'electric' version of Bruce Springsteen album; 1982)
- "Nightmare" (partially found demo version of Avenged Sevenfold album; 2009)
- "No Sex Allowed" (partially found EP from "American Idol" contestant Milo Turk; 2007)
- "Now and Then" (lost overdub session of Beatles song; 1995)
- "Nut Up" (found Eminem song; 2009-2010)
- "Old Ramon" (lost Red House Painters album tracks; 1990s)
- "On a Night Like This" cut content (lost uncut Kylie Minogue music video; 2000)
- "Once in a Lifetime" (partially found Gregorian music video; 1991)
- "Opinion/Opinions" (partially found released demo of potential Nirvana song; 1994)
- "Orgy On My Own" (found unreleased "Weird Al" Yankovic song; 1981)
- "Origin Of Symmetry" (lost unreleased Muse album tracks; 2001)
- "Party At The Top Of The Hill"/"Ghetto Territory"/"Enter The Ghetto Zone" (lost early Insane Clown Posse cassettes; early 1990s)
- "Pastichio Medley" full tracks (partially found unreleased Smashing Pumpkins songs; 1994-1995)
- "Perversion" (partially found Depeche Mode demo tape for "Violator"; 1989)
- "Plane Ride From Hell" (lost photographs of drunk wrestler incidents; 2002)
- "Please Don't Stop" (partially found unidentified powermetal synth song used in Irsaeli VHS logo; 1980s)
- "Please Don't Stop" (partially found unidentified powermetal synth song used in Israeli VHS logo; 1980s)
- "Pokémon! I Choose You!" (found original Japanese airing of anime series pilot; 1997)
- "Poor Papa" (found "Oswald the Lucky Rabbit" animated short; 1927)
- "Popcorn" (partially found 7" single version of Gershon Kingsley song; 1972)
- "Porky's Butthole" (found voicemail to Mike Judge; mid-1990s)
- "Porky's Hare Hunt" (partially found redrawn colorized version of Looney Tunes short; 1968)
- "Promo Album" (partially lost Vincent De Moor album; 2005)
- "Pull My Strings" (lost Dead Kennedys live footage of song performance; 1980)
- "Put Me in a Terror Pocket" and "Sandtrap" (lost unreleased studio versions of Arctic Monkey songs; 2008)
- "Rabid Child" (partially found They Might Be Giants music video; 1985)
- "Ray Of Light" (lost original 10-minute version of Madonna album single; 1998)
- "Ready 'N' Steady" (found D.A. song; 1979)
- "Real" (partially lost unreleased Kirsty MacColl album; 1982)
- "Red Flame" (found unreleased Lady Gaga and Azealia Banks song; 2013)
- "Rocket" (partially found Kid Cudi/WZRD single; 2011)
- "Rollercoaster" (lost Red House Painters album tracks; existence unconfirmed; 1990s)
- "Roman in Moscow" (lost Nicki Minaj music video; 2011)
- "Ronnie Was A Rebel/Ronnie 2" (partially found cover song from AFI; 1993)
- "Rules and Regulations" and "That's What Friends are For" (lost unreleased Thomas & Friends music videos; 1990s)
- "SHABU" (lost Filipino anti-drug PSA; 1990s)
- "SHABU" (lost Filipino anti-drug PSA; existence unconfirmed; 1990s)
- "SMiLE" (partially found recording sessions of unreleased Beach Boys album; 1966-1967)
- "Sampung Utos ng Diyos" (lost Filipino commercial about The Ten Commandments; 1980s)
- "Sandtrap" and "Put Me in a Terror Pocket" (lost unreleased studio versions of Arctic Monkey songs; 2008)
- "Saturday Night" (lost explicit version of Ozomatli song; 2004)
- "Save The Gorilla" (partially lost unreleased Adam Ant charity EP; 2003)
- "Scientology (That's The Plan For Me)" (Unresurfaced Tim Heidecker Song)
- "Scientology (That's The Plan For Me)" (found original version of Tim Heidecker song; 2013)
- "Sea Shepherd EP" (lost unfinished/cancelled Gojira EP; 2010-2011)
- "Seasons of Your Day" (lost recording session from Mazzy Star Album; 1997-2013)
- "Secret Gospel of Mark" (lost biblical text; existence unconfirmed; date unknown)
- "Sew, Sew, Suck Your Toe" (lost songs of Grace and Gwyn album; 2000s)
- "Snake Nation Demo" (lost Sevendust demo tape; 1994)
- "Somedays" (lost music video of Lostprophets single; 2012)
- "Songs From Cosmic Cafe" (found episode from NBC "Qubo" block of 3-2-1 Penguins!; 2008)
- "Songs From Cosmic Cafe" (lost episode from NBC "Qubo" block of 3-2-1 Penguins!; 2008)
- "Space Lord" (lost explicit version of Monster Magnet single; 1998)
- "Spinning Man" (partially found Ed Sheeran album; 2004)
- "Spirit Battle" (lost unreleased Morten Harket album; 1979)
- "Stardrop Sprint" & "Stardrop Blaster" (lost delisted iOS mobile games; 2012)
- "Stardrop Sprint" & "Stardrop Blaster" (lost delisted iOS mobile games; 2012-2017)
- "Static Age" (found unreleased Misfits album; 1978)
- "Street Preacher" (lost unreleased Khia album; 2003)
- "Suck It And See" (unreleased "Submarine" soundtrack version of Alex Turner song; 2010)
- "Suck It And See" (unreleased Submarine soundtrack version of Alex Turner song; 2010)
- "Summer Headrush 2009 Series" unreleased albums (lost James Ferraro albums; 2009)
- "Super Diorama Theatre" (lost unreleased Buckethead album; 2003)
- "Super Mario Land" (found Ambassadors of Funk music video; 1992)
- "Super Mario Land" Ambassadors Of Funk Ft. MC Mario (1992 Music Video)
- "Surprise!" (partially lost Sesame Street segment; 1970)
- "Take On Me" (partially lost A-ha demo instrumental; 1983)
- "Take On Me" (partially lost A-ha demo instrumental of pop song; 1983)
- "Take On Me" (partially lost instrumental track of A-ha demo; 1983)
- "Taking the Long Way" unreleased tracks (lost intended Dixie Chicks album tracks; 2006)
- "Talk to Me" (partially found unreleased Xuxa album; 1994)
- "Terraform" (partially found unreleased Styles of Beyond album; unknown date)
- "Terror Twilight" (lost tracks from Pavement album; 1999)
- "The Asphalt World" (lost 25 minute version of Suede track; 1994)
- "The Black Room" (lost Kopyright Liberation Front album; 1992)
- "The Death of Escobar" (found unreleased Nas album; 2001)
- "The Game" (partially found Disturbed cover of professional wrestling theme song)
- "The Golfing Cat" and "The Hunter and The Dog" (lost Louis Wain animated shorts; 1917)
- "The Heckling Hare" (lost original ending of Looney Tunes short; 1941)
- "The Jean Genie" "Top of the Pop" Performance (found footage of David Bowie live performance; 1973)
- "The Lamb Lies Down on Broadway" live (lost Genesis concert footage; existence unconfirmed; 1975)
- "The Original Doll" (lost unreleased Britney Spears album; 2005)
- "The Paradise Girl" (found Som2 album; 2003)
- "The Paradise Girl" (partially found Som2 album; 2003)
- "The Sicilian Defence" (found The Alan Parsons Project album; 1979)
- "The Tale of Dr. Rabbit" and "Play a Game with Dr. Rabbit" (found audio of educational health cassette; 1996)
- "The Tale of Dr. Rabbit" and "Play a Game with Dr. Rabbit" (lost audio of educational health cassette; 1996)
- "The Tower" (lost Marillion demo track; 1979)
- "The Unauthorized Biography of Reinhold Messner" (lost demo version of Ben Folds album; 1990s)
- "Trued Up" (lost Jayo Felony music video; 2001)
- "Trued Up" (lost music video of Jayo Felony album; 2001)
- "Tsukemonoya" (lost Japanese commercial reporting the death of a Japanese performer; existence unconfirmed; early-1980s)
- "Tsukemonoya" (lost Japanese commercial with reporting death of the performer; existence unconfirmed; early-1980s)
- "Twinkle Stars" volume 11 (Lost first English translation of final volume of manga series, 2013)
- "Uffe Was A Nazi!" (found Commit Suiside compilation album; 1998)
- "Underneath The Stars" (found Mariah Carey music video; 1995)
- "Underneath The Stars" (lost Mariah Carey music video; 1995)
- "Underneath The Stars" (partially found Mariah Carey music video; 1995)
- "Vulvagia" (lost track from Horse the Band; 2007)
- "Warmness on the Soul" (lost original version of Avenged Sevenfold track; 2000)
- "Watch What You're Doing" (lost Pixies cover version of Larry Norman song; 1987)
- "Waterdrop" (partially found DTS unreleased trailer; 1996)
- "Weird Al" Yankovic (partially found early demos and recordings from comedy musician; 1973-1983)
- "Wet Feet" (found final episode of "M*A*S*H" spin-off series; mid 1980s)
- "Where the Wild Things Are" (lost Arcade Fire tracks of film's soundtrack; existence unconfirmed; 2009)
- "Where the Wild Things Are" soundtrack (lost Arcade Fire tracks of film; existence unconfirmed; 2009)
- "White Christmas" (found original radio performance of Christmas song; 1941)
- "White Christmas" - original performance (found radio broadcast of Christmas song; 1941)
- "White Christmas" original performance (partially lost radio broadcast; 1941)
- "White Diamond" (lost unreleased Kylie Minogue song; 2006)
- "Windy" (found Sesame Street segment; 1970)
- "Windy" (partially lost Sesame Street segment; 1970)
- "Wish it Away" (lost unreleased Rob Zombie track; 1998)
- "X!?+ +..." (found track of Brainbombs "Burning Hell" album; 1992)
- "You Can Do It-14494" aka "Duane's Theme" (found song from Barbie promotional VHS tape; 1989)
- "Zim dog-napped Goddard" (lost post-show video game based on Nickelodeon animated series; existence unconfirmed; 2003)
- & (lost unreleased music video for Tally Hall song; 2011)
- ''Erotica'' (partially found demos from Madonna album; 1991-1992)
- 'Columbia College Student Film', 'Muffy Meets the Mafia' and 'Changes' (lost and incomplete Genndy Tartakovsky student films; 1991-1994)
- 'Eunos Roadster Driving Simulator' and 'Sim Drive' (lost Namco/Mazda driving simulators; 1990-1992)
- 'Hats' (lost unreleased Blue Nile album tracks; 1980s)
- 'Mind Playing Tricks On Me' Scarface solo version (lost early version of Geto Boys song; circa 1991)
- 'Pima Community College School - Genocide/Scam - Free Education - Broken United States Constitution' (found Jared Lee Loughner video; 2010)
- 'Ready 'N' Steady' (found D.A. song; 1979)
- 'Roly-Polys Nanakorobi Yaoki' and 'Roly-Polys World Tour' (lost Japanese edutainment PC games; 1997)
- 'Roly-Polys Nanakorobi Yaoki' and 'Roly-Polys World Tour' (partially lost series of Japanese edutainment PC games; 1997)
- 'Scientology (That's The Plan For Me)' (found original version of Tim Heidecker song; 2013)
- 'Shindig!' "Monster Mash" Rendition (lost footage of singing performance by Boris Karloff; 1965)
- 'The Lamb Lies Down on Broadway' live (lost Genesis concert footage; existence unconfirmed; 1975)
- 'The Walking Dead' Season 7 Alternate Negan Kills (Lost TV Footage; 2016) (Lost TV Footage, 2016)
- 'What Ever Happened to Moxy?' (Lost Web Comic; 2000)
- 'What Ever Happened to Moxy?' (lost web comic; 2000)
- 'What Ever Happened to Moxy?' (partially found web comic; 2000)
- 'What Ever Happened to Moxy?' (partially found webcomic; 2000)
- 'White Christmas' - original performance (found radio broadcast of Chirstmas song; 1941)
- 'White Christmas' - original performance (partially found radio broadcast of Chirstmas song; 1941)
- 'White Christmas' - original performance (partially lost radio broadcast of Chirstmas song; 1941)
- -ED "Calm Here" (lost album, 2001)
- -ED "Calm Here" (partially found album; 2001)
- ...my sombre existence... (found album from Canadian nu metal band Nervepitch; 2003)
- ...my sombre existence... (partially found album form Canadian nu metal band Nervepitch; 2003
- ...my sombre existence... (partially found album from Canadian nu metal band Nervepitch; 2003
- ...my sombre existence... (partially found album from Canadian nu metal band Nervepitch; 2003)
- 0-sen Hayato (partially found anime series; 1964)
- 1-900-490-FREAK (lost audio from "Freddie Freaker" interactive 1900 number; 1987-1995)
- 1-900-490-FREAK (lost audio from an interactive 1900 number; 1987-1995)
- 100 Bullets (cancelled games based on comic book; 2000s)
- 100 Bullets (partially lost builds of cancelled games based on comic book; 2000s)
- 101% Spooky Whizbang! with Henry & June (partially found Nickelodeon Halloween block; 1999)
- 101% Spooky Whizbang! with Henry and June (partially found Nickelodeon Halloween block; 1999)
- 101% Spooky Whizbang (Lost Halloween Block, 1999)
- 101% Spooky Whizbang (lost Nickelodeon Halloween block; 1999)
- 101% Spooky Whizbang with Henry and June (partially found Nickelodeon Halloween block; 1999)
- 101% Whizbang! with Henry & June (partially found Nickelodeon channel block; 1999)
- 101 Dalmatians: The Series (partially found pitch pilot episode of Disney animated TV series; 1996)
- 101 Dalmatians: The Series (partially found pitch pilot of Disney animated TV series based on animated film; 1996)
- 101 Dalmatians: The Series (partially found unaired pilot episode of Disney animated TV series; 1996)
- 101 Dalmatians: The Series - unaired pilot (lost episode of Disney animated TV series; 1996)
- 101 Dalmatians: The Series - unaired pilot (partially found episode of Disney animated TV series; 1996)
- 101 Dalmatians: The Series unaired pilot (lost episode of Disney animated series; 1996)
- 101 Dalmatians (found "Spotted Landmarks" teaser trailer of Disney live-action film; 1995-1996)
- 101 Dalmatians (lost "Spotted Landmarks" teaser trailer of Disney live-action film; 1995-1996)
- 101 Dalmatians - Spotted Landmarks (lost teaser trailer of live-action film; 1995-1996)
- 101 Dalmatians - Spotted Landmarks (lost trailer of Live-Action film; 1995-1996)
- 10 Things I Hate About Life (partially found unfinished romantic comedy film; 2012-2014)
- 10 Things I Hate About Life (partially lost unfinished romantic comedy film; 2012-2014)
- 110 Lombard Street (found sitcom pilot; 1987)
- 110 Lombard Street (partially found sitcom pilot; 1987)
- 12 Miles of Bad Road (partially found unaired HBO comedy series; 2007)
- 12 Miles of Bad Road (unaired HBO comedy series; 2007)
- 12 oz. Mouse (lost original pilot; 2004)
- 12 oz. Mouse (lost original pilot of Adult Swim animated comedy series; 2004)
- 13 Queens Boulevard (partially found sitcom TV series; 1979)
- 13 set The People's Joker (unauthorized trans joker movie; 2022)
- 15.000 Dibujos (lost Chilean animated film; 1942)
- 15.000 Dibujos (lost animated film; 1942)
- 15.000 Dibujos (partially found Chilean animated film; 1942)
- 1898 FA Cup Final (lost footage of football match; 1898)
- 1898 Sheriff of London Charity Shield (lost footage of football match; 1898)
- 1899 FA Cup Final (lost footage of football match; 1899)
- 1903 FA Cup Final (lost footage of football match; 1903)
- 1907 Sheriff of London Charity Shield (lost footage of football match; 1907)
- 1916-1922 Universal Film Trophy Races (lost footage of AAA races; 1916-1922)
- 1921 Epsom Derby (lost radio coverage of horse racing event; 1921)
- 1924-1925 Ashes Series (lost radio coverage of Test cricket matches; 1924-1925)
- 1924 NSWRFL Premiership Final (lost radio coverage of rugby league game; 1924)
- 1927 Challenge Cup Final (lost radio coverage of rugby league game; 1927)
- 1927 FA Cup Final (lost radio coverage of football match; 1927)
- 1927 Grand National (lost radio coverage of horse racing event; 1927)
- 1928 FA Cup Final (lost original radio coverage of football match; 1928)
- 1931 Epsom Derby (lost televised footage of horse racing event; 1931)
- 1934 Philo T. Farnsworth broadcasts (lost early television demonstrations; 1934)
- 1936 Summer Olympics (lost television coverage of Berlin Games; 1936)
- 1937 FA Cup Final (partially found footage of football match; 1937)
- 1937 International Imperial Trophy Race (lost footage of motor race; 1937)
- 1937 Wimbledon Championships (partially found footage of tennis tournament; 1937)
- 1938 Ashes Series (partially found footage of international test cricket match; 1938)
- 1938 FA Cup Final (partially found footage of football match; 1938)
- 1938 Pennsylvania Quakers football season (lost early televised college football games; 1938)
- 1939 FA Cup Final (partially found footage of football match; 1939)
- 1939 Macy's Thanksgiving Day Parade (lost experimental NBC broadcast of parade; 1939)
- 1939 Macy's Thanksgiving Day Parade (lost experimental broadcast of parade, 1939)
- 1947 FA Cup Final (partially found footage of football match; 1947)
- 1948 Challenge Cup Final (partially found footage of rugby league game; 1948)
- 1948 FA Cup Final (partially found footage of football match; 1948)
- 1948 Summer Olympics (partially found television coverage of London Games; 1948)
- 1949 FA Cup Final (partially found footage of football match; 1949)
- 1950 FA Cup Final (partially found footage of football match; 1950)
- 1951 FA Cup Final (partially found footage of football match; 1951)
- 1952 Coupe de France Final (partially found footage of football match; 1952)
- 1952 FA Charity Shield (lost footage of football match; 1952)
- 1953-1954 Formula One World Championships (partially found footage of Formula One races; 1953-1954)
- 1953 British Grand Prix (partially found footage of Formula One World Championship race; 1953)
- 1953 British Grand Prix (partially found footage of Formula One race; 1953)
- 1953 Italian Grand Prix (partially found footage of Formula One World Championship race; 1953)
- 1954 British Grand Prix (partially found footage of Formula One World Championship race; 1954)
- 1954 FIFA World Cup (partially found footage of football tournament; 1954)
- 1954 FIFA World Cup (partially found footage of international football matches; 1954)
- 1954 Italian Grand Prix (partially found footage of Formula One World Championship race; 1954)
- 1954 Rugby League World Cup Final (partially found footage of international rugby league game; 1954)
- 1955 24 Hours of Le Mans (partially found footage of World Sports Car Championship race; 1955)
- 1955 Dutch Grand Prix (partially found footage of Formula One World Championship race; 1955)
- 1955 Formula One World Championship (partially found footage of Formula One races; 1955)