That’s not always a good thing. If it was meant to be 4:3 the extra space on the frame can have set rigging, lights, microphone booms, and in case of stunts even crash pads.
It’s one of the reasons the HD rescan of Buffy:TVS sucks. That still needs a proper 4:3 HD remaster.
SG1 was shot in film and mastered in 16:9. 16mm in the first 3 seasons, 35mm 3-7, and then they moved to digital HD cameras season 8 onwards.
Many shows from the 90s were [edit: shot on film]. That’s why you can get a widescreen HD release of Seinfeld, among others.
That’s not always a good thing. If it was meant to be 4:3 the extra space on the frame can have set rigging, lights, microphone booms, and in case of stunts even crash pads.
It’s one of the reasons the HD rescan of Buffy:TVS sucks. That still needs a proper 4:3 HD remaster.