Rebecca is hiding a big secret from Paula, which begins to affect their friendship. Josh and Greg switch roles when Josh makes a discovery that angers him, while Greg is happier than he has been in a long time
Mr. Schuester starts an investigation when a salacious list about members of the glee club circulates the halls of McKinley High. Meanwhile, Sue is mortified when a video of her performing the Olivia Newton-John classic "Physical" surfaces.
The Deadly Foot Technique Bursts Forth! Sanji Vs. the Invincible Pearl!
The battle begins for possession of the Baratie, with Zeff leading the cooks against Krieg's pirates. Luffy and crew join the fray, but things aren't looking too good!
The Friendship Turbulence
Bernadette tries to negotiate peace between Sheldon and Wolowitz; Penny receives an embarrassing offer; Raj wants Amy to write to a woman on his behalf.
The Monster Isolation
After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.
The Rothman Disintegration
Sheldon and his rival Barry Kripke fight it out over the availability of a new office. Penny gets a gift from Amy that really tests their friendship and it doesn't end well.
The Toast Derivation
Sheldon becomes concerned when everybody begins to hang out at Raj's apartment and discovers Leonard is the center of the group.
The Precious Fragmentation
When the guys find a ring from "The Lord of the Rings" at a garage sale, it threatens to tear them apart.
The Terminator Decoupling
Leonard, Sheldon and Wolowitz are ecstatic to learn that a famous science-fiction actress is on board the train they are taking to San Francisco.
The Tangerine Factor
Penny's break-up spurs Leonard to summon up the courage to ask her out, and each head to Sheldon for advice on their upcoming date.