I used Ruffle extension and I got the clue.
From The Lost Media Wiki
The SWF file is try to connect media amc and Launch Start.swf http://media.amctv.com/waltswarning/Start.swf?warning=default&embed=1 (Status: 301) http://media.amc.com/waltswarning/Start.swf?embed=1&warning=default (Status: 301) https://media.amc.com/waltswarning/Start.swf?embed=1&warning=default (Status: 403)
If everyone have that file, We can get more walter white.