Sunday Best (8pm, BET) - Season 6 of the gospel singing reality competition show begins with auditions in Houston and Atlanta and a performance by Ernest Pugh. Kirk Franklin is the host.
Celebrity Wife Swap (8pm, ABC) - Actress and singer Nia Peeples leaves her surfer husband and mobile California beach home to swap places with '80s pop star Tiffany, who lives a busy life in Nashville.
True Blood (9pm, HBO) - Sookie confronts her attraction to Ben (Rob Kazinsky, right) by inviting him to dinner, and Eric counters Burrell's brutal anti-vampire initiatives by hitting him where it hurts the most.
Dexter (9pm, Showtime) - Miami Metro continues its search for the 'Brain Surgeon' serial killer, and in a related matter, Dr. Vogel enlists Dexter's help.
Drop Dead Diva (9pm, Lifetime) - Jane represents a jilted bride who is suing the former groom for damages. Also, a surrogate mother searches for the missing parents of the child she is about to deliver.
Oprah's Lifeclass (9pm, OWN) - A follow-up to a discussion of fatherless sons, with guests Geoffrey Canada of Harlem Children's Zone and Dr. Steve Perry of the Save Our Sons Foundation.
Crossing Lines (10pm, NBC) - Sebastian and the ICC team investigate an unusual situation in Poland, and Hickman and Louis race to save Eva and Tommy when an undercover mission puts them in danger.
Falling Skies (10pm, TNT) - Hal at last casts light on his internal struggle, while Lourdes works on a dangerous new medical procedure.
Family Tree (10pm, HBO) - In the Season 1 finale, Pete and Be a go to Venice Beach on their last day in California, but must form a panicked search party when Monk gets lost. Meanwhile, Tom and Ally meet a distant Chadwick cousin whose grandfather was a silent-film cowboy, and Al and Kitty throw their British visitors a farewell party that exposes more family secrets and marked a turning point in Tom and Ally's relationship.