The Big Bang Theory
When Sheldon's new assistant misconstrues his comments, she files a sexual-harassment claim against him. Regina King guest stars as Ms. Davis, the university's director of employee relations, who attempts to resolve the situation. CBS/CTV, 7 p.m.
Gail Vaz-Oxlade (Til Debt Do Us Part) returns to prime time with another show that seeks to cure people of their wild-spending ways. This time out, she mends relationships that are threatened by one person's financial woes. Slice, 10 p.m.
Parks and Recreation
When Leslie discovers outdated laws that date back to the original charter, she tries to get rid of them. April and Ron get management training from Chris, and Ben and Ann get into a bidding war as they try to find presents for Leslie. NBC, 8 p.m.
George Stroumboulopoulos: Famke Janssen
Jay Leno: Olivia Wilde, Nick Offerman
David Letterman: Johnny Depp, Bill Carter & the Blame
Jimmy Kimmel: Ken Jeong, Jennifer Morrison
Craig Ferguson: Ginnifer Goodwin, Salman Rushdie
Jimmy Fallon: Tracy Morgan, Andy Cohen
The Daily Show: Mark Mazzetti
Conan O'Brien: Eva Mendes, Chris Messina