Big Brother 12 (8pm, CBS) - The mole is revealed! The first house guest is evicted tonight, and the identity of the saboteur is revealed to the audience at home.
Rookie Blue (9pm, ABC) - Andy goes undercover as a prostitute as she and Dove try to impress Sgt. Boyko with their initiative. Instead, they end up putting an informant's life in jeopardy. This Canadian cop show just got picked up by ABC for a second season.
Mary Knows Best (9pm, Syfy) - A new series featuring popular psychic and radio show host Mary Occhino and her family. In the first episode, Mary's son helps her launch a store and she tries to find a suitor for her daughter.
Boston Med (10pm, ABC) - A trauma surgeon works on a pregnant woman who was shot in the chest, and a teen with a diseased heart waits for a transplant. Also, a pair of surgical residents enjoy a night on the town, and an ER nurse relaxes on a cruise with her coworkers.
NICU (10pm, Discovery Health Channel) - In the opener of this new series following medical professionals in the neonatal intensive care unit at Baltimore's Mercy Medical Center, two tiny babies with breathing problems are delivered. In a second new episode at 10:30, two obese mothers undergo emergency C-sections, and each baby presents its own set of problems.