What's On Tonight: Greatest American Dog, Hopkins, Burn Notice

• At 8, CBS has the premiere of Greatest American Dog.
• TLC has two new episodes of Monster Garage at 8, then a new American Chopper.
• Versus has more coverage of the Tour de France at 8.
• There's a new Chowder on Cartoon Network at 9, followed by new episodes of The Marvelous Misadventures of Flapjack and Total Drama Island.
• At 9, NBC has a new, two hour Last Comic Standing.
• TBS has a new Bill Engvall Show at 9, followed by a new My Boys.
• History Channel has a new Modern Marvels at 9, then a new episode of The Works.
• Hallmark has the new movie A Gunfighter's Pledge at 9.
• At 10, CBS has a new Swingtown.
• ABC has a new Hopkins at 10.
• USA has the season premiere of Burn Notice at 10.
• Also at 10: Bravo has a new Kathy Griffin: My Life on the D-List.

Check your local TV listings for more.