Regis Philbin: The Morning Maestro (8pm, ABC) - In a special edition of "20/20," Katie Couric profiles Regis Philbin, who retires tomorrow as cohost of "Live with Regis and Kelly" after 28 years on the show. Things to look forward to: Regis takes Katie to the Bronx neighborhood where he grew up, including a special ceremony at Cardinal Hayes Memorial High School, and the two have snacks at Conti's Bakery with Regis' childhood pal, Freakin' Finelli. No more Regis in the morning? Oh, the pain!!
Community (8pm, NBC) - Dean Pelton directs a commercial starring the study group and a collection of the school's most colorful characters. Even better, Abed shoots a behind-the-scenes documentary of the entire affair.
Private Practice (9pm, ABC) - In a special 2-hour chunk of "Private Practice," Amelia's colleagues stage an intervention when she returns home from a drug binge, and Pete and Violet's marriage reaches a tipping point.
Bones (9pm, Fox) - A toy company CEO (Morgan Fairchild) grants Booth and Sweets access to its top-secret lab after the remains of a female executive are discovered in a shrink-wrapped doll.
Whitney (9:30pm, NBC) - Whitney and Alex attempt to adopt a dog, but have problems with the dog shelter owner, who is played by comedian Lisa Lampanelli.
Prime Suspect (10pm, NBC) - Jane and Reg investigate the murders of a young girl's parents, whose bodies were found in a hotel room.