With Gabi out of town and Sam at his poker game, Bobby and Elena throw a party.

Elena finally gets the school to change its mascot, but students turn against her in the process.

Elena is shocked to discover that Sasha wants to switch roommates for the Tallahassee field trip. Desperate to run from her problems, she misses the bus on purpose, only to…

Amy takes charge of the Nine-Nine during a citywide blackout, while Jake hits one snag after another as he races to her side.

Caroline shares her riches-to-rags life story on stage at a storytelling night and captures the attention of a Hollywood studio executive. Meanwhile, Sophie and Oleg search for a surrogate.

When Sheldon learns that his mother won’t attend his wedding unless he invites his brother, Georgie, he and Leonard travel to Texas to end a family feud. Also, the Wolowitz…