Glee engaged in a war of words and dodgeball last night, delivering a fun episode that was an especially great showcase for Naya Rivera as Santana. Read our critic's full take on the episode HERE.

Aside from winning quotes and storyline progression, of course, this is Glee. There was no shortage of impressive performances.

Visit our Glee music section for a complete rundown of covers from the show, and check out the samples of mash-ups from "Mash Off" below. Which was your favorite?

• Glee Cast - "Rumor Has It/Someone Like You"
• Glee Cast - "Hot For Teacher"
• Glee Cast - "You And I"
• Glee Cast - "I Can't Go For That/You Make My Dreams Come True"
• Glee Cast - "Hit Me With Your Best Shot/One Way Or Another"

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.