They're just as clueless as the audience. Don't get us wrong — this Toronto-based improv troupe does prepare for their performances, only instead of reading a script, they research the styles of famous playwrights or authors. But that's as far as it goes. For each performance, audience members help create the premise of the play, which the cast members then improvise.
Smarty pants. These guys are funny, but not in an annoying, in-your-face slapstick way — Robin Williams they are not. Think more along the lines of Michael Ian Black.
Blame Canada. Americans have a strange fascination with Canadians, from their humor to their politeness to their all-encompassing social welfare programs. It's the perfect excuse to witness these rare beings doing what they do best: radiating sarcasm.