DOOM Resurrected, Part 1 - To Hell & Back (DOOM Documentary) - https://www.youtube.com/watch?v=PS6SBnccxMA

DOOM Resurrected, Part 2 - Designing a First Impression (Doom Documentary) - https://www.youtube.com/watch?v=vsoVQWnSOfM

DOOM Resurrected, Part 3 - Guns, Guitars & Chess on Mars (Doom Documentary) - https://www.youtube.com/watch?v=r0nOsuaPDeg

I too recommend these.

Noclip also has a bunch of extended interviews that you can find on their channel or in related videos but I haven't seen those so can't comment on whether or not they are worth looking at.