The Secret Life of the American Teenager (8pm, ABC Family) - Amy worries she might be pregnant fora  second time, and Ben tries to impress Dylan's parents. Also, George is puzzled by Anne and Nora's bonding.

2 Broke Girls (8:30pm, CBS) - Caroline helps Max prepare her first tax return, but in doing so, forgets to mail Earl's return.

House (9pm, Fox) - House and the team take on the case of a man who is bleeding from his eyes. Meanwhile, House's favorite hooker, Emily, is leaving the business to get married, so he teams up with his "wife," Dominika (Karolina Wydra, left), to sabotage Emily's relationship.

Eureka (9pm, Syfy) - In the Season 5 premiere, the Astraeus crew returns to Eureka four years later and must adapt to a myriad of changes, including a more oppressive version of Deputy Andy.

Smash (10pm, NBC) - Karen and Ivy team up to form an awkward alliance when movie star Rebecca Duvall (Uma Thurman) shows up for work.

Castle (10pm, ABC) - When things get tense with Beckett, Castle decides to team up with a new partner: a tough gang-unit detective who exposes him to a seedier side of police business and puts him in risky situations.

The Bachelorette (8pm, ABC) - Ali falls hard for Frank, but it looks like he breaks her heart. Four guys win roses for hometown dates. At the end of this episode, last year's bachelor Jake Pavelka and his ex-fiance Vienna sit down with Chris Harrison to discuss their breakup.

Mad Men (8pm, AMC) - A mini-marathon of the most popular episodes from Season 1.

The Secret Life of the American Teenager (8pm, ABC Family) - Amy runs into Bristol Palin in her dorm room (hey, who hasn't?) and realizes the music program is for teen moms. Palin told E! online that she felt obligated to take this role: "I feel obligated [to speak out] because I've lived through this experience ... the more I talk about it and the more I can be hands on about it, the better I feel about myself." Here's a sneak peek of her skills. Meanwhile, Ruben is not happy about Adrian's choice regarding her pregnancy.

Huge (9pm, ABC Family) - Will struggles to compose a letter to her family and develops a crush on a fellow camper.

Anthony Bourdain: No Reservations (10pm, Travel) - In the seventh season premiere, Bourdain visits the Grenadine Islands where he fishes, dives, and tries to hunt a local delicacy.

Bristol Palin will make her acting debut on July 5 in a teen pregnancy-themed episode of ABC Family's drama, "The Secret Life of the American Teenager."

Time magazine says it's not so much acting as "standing very still and saying lines," but you can see for yourself.

Click below to watch a clip.