The Secret Life of the American Teenager, The Hard Times of RJ Berger, and an Intervention marathon

8 a.m. to 9 p.m., A&E;

Intervention marathon

Get yourself into a great mood with 13 straight hours of Intervention repeats—and then a new episode at 9 p.m.

8 p.m., ABC Family

The Secret Life of the American Teenager

Amy (Shailene Woodley) bumps into Bristol Palin (who's guest-starring as herself) in the dorms and realizes that the new music program she's enrolled in is for teen moms. Back at home, a rumor about Amy spreads through school.

10 p.m., A&E;

Obsessed

This episode focuses on a musician with a very specific daily routine and a mother with irrational fears about her daughter's safety.

10 p.m., MTV

The Hard Times of RJ Berger

Newly-single Jenny (Amber Lancaster) asks RJ (Paul Iacono) to study with her. Bow-chicka-wow-wow.

Season 7 premiere, 10 p.m., TRAVEL

Anthony Bourdain: No Reservations

In the Season 7 premiere, Tony visits the Grenadine Islands and hunts for a local delicacy.

Also on the airwaves...
Cake Boss marathon, 6 a.m. to 10 p.m., TLC
Law and Order: Criminal Intent marathon, 6 a.m. to 6 p.m., USA
Law and Order marathon, 10 a.m. to 8 p.m., TNT
The Bachelorette, 8 p.m., ABC
Persons Unknown, 8 p.m., NBC
Last Comic Standing, 9 p.m., NBC
Huge, 9 p.m., ABC Family
True Beauty, 10 p.m., ABC
Make It or Break It, 10 p.m., ABC Family
Kourtney and Khloe Take Miami, 10 p.m., E!
Dance Your Ass Off, 10 p.m., OXYGEN
Neighbors from Hell, 10 p.m., TBS
Holly's World, 10:30 p.m., E!
Warren the Ape, 10:30 p.m., MTV
MLB Baseball: Braves v. Phillies
Cycling: Tour de France, Stage 2

What are you watching tonight?

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Follow TV.com writer Stefanie Lee on Twitter: @StefAtTVDotCom