A clip containing an interview with Simon Helberg doing Nicolas Cage, Stephen Baldwin and Ben Stiller impersonations can be found in the “What Amazing Looks & Sounds Like” section. Fortunately, for everyone who hasn’t seen it, as well as those who have, the writers of “The Big Bang Theory” made the executive decision for Simon Helberg/Howard Wolowitz to inject his voice-altering talents into the latest episode.

To set the scene: They’re playing Dungeons and Dragons, there’s mysticism, Nicolas Cage and a special appearance from a guy who is famous for having a scar on his face…

http://youtu.be/bQtktQPn3LM