My argument is pretty much the same as HasiraKali because it will undermine the purpose of experiencing the musical live. However, there are video clips of the cast members performing songs from the musical like performing "They Live in You/He Lives in You" on
The Rosie O'Donnell Show. You can also check out some performance and behind-the-scene interviews with the cast and crew on
Disney on Broadway's YouTube channel. There is also a special edition release of TLK on Broadway CD which includes a DVD of behind-the-scenes video content. Check out it:
here I'm not positively sure why
Cats and
Joseph and the Amazing Technicolor Dreamcoat got DVD releases, but I do know they weren't performing
Joseph on Broadway when the DVD was released in 1999.
The Lion King doesn't have that opportunity since it's constantly performing all around the world.