Glee Pot o Gold Damian McGintyAdam Rose/FOX

Darren Criss made his splash on "Glee" singing Katy Perry's hit "Teenage Dream," and next week he'll be taking on another one of her hits - "Last Friday Night." Darren even appears in Katy's music video for the song, so it will be fun to see him give it his own spin. Check out a preview of the performance below.



Also in next week's new episode "Pot O' Gold," gleeks will be introduced to foreign exchange student Rory Flanigan, played by "The Glee Project" winner Damian McGinty. Rory comes to live with Brittany (Heather Morris) and develops a crush on her. One problem though - she thinks he's a leprechaun. Rory attempts to befriend Finn (Cory Monteith) and also experiences some bullying as he arrives at McKinley High. Take a peek at a preview and some photos from the episode.

"Pot O' Gold" airs on Fox November 1 at 8pm. For even more spoilers about season 3, go here.

'Glee' Season 3

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By Lisa Hiser