If you watched MST3K, it's probably safe to assume that you've been watching Cinematic Titanic. If you haven't, this is Joel & Co. new movie riffing show. Here's their link,
http://www.cinematictitanic.com/

And a couple of clips
Cinematic Titanic - Danger on Tiki Island
http://www.youtube.com/watch?v=1rxUmuWzOlA

Cinematic Titanic - Blood of the Vampires

http://www.youtube.com/watch?v=BYBUEViO0Po