Janelle Marra

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

Mitch and Cam's best gal pal, Sal, makes one of her notorious surprise drop-ins, but this time with big news, she's getting married. tomorrow!

J.D. decides to end his relationship with Danni because things are moving too fast.

The arrival of an altruistic stranger restores J.D.'s faith in humanity and Elliot's faith in men.

When the remains of a high-stakes gambler are found in an industrial shredder, Booth risks relapsing into his gambling addiction as he and Brennan delve into the world of underground poker. Meanwhile, Hodgins invents a new product related to the lab, and Brennan and Booth find out some exciting news.

A murder investigation becomes personal for Lisbon when she learns that her underachieving younger brother, Jimmy, is being sought as a key witness. Rob Belushi and Derek Phillips guest star as Lisbon’s brothers, Jimmy and Stan.