Today on TV

Greatest American Dog (7 p.m., Ch. 2): It's yet another reality show in which contestants not only compete but live together in the same house. The twist — obviously — is that it's dogs and their owners who are sharing living quarters as they vie for a $250,000 prize.

Are You Smarter Than a 5th Grader? (7 p.m., Ch. 13): Jeff Foxworthy hosts.

Last Comic Standing (8 p.m., Ch. 5): The 12 finalists — including Utahn Marcus — go head-to-head in speed rounds. Two will be eliminated.

So You Think You Can Dance (8 p.m., Ch. 13): Two of the remaining 12 finalists will be eliminated. Three with Utah ties remain — Chelsie Hightower , Thayne Jasperson and Gev Manoukian.

Swingtown (9 p.m., Ch. 2): Tom is jealous of Trina's high school sweetheart.

Hopkins (9 p.m., Ch. 4): This documentary series set inside Johns Hopkins Hospital in Baltimore continues.