TiVo Guide Week of July 19, 2010 *spoiler alert*

"Teen Mom" In the Season 2 opener, Amber faces a pregnancy scare; Farrah calls the cops on her own mother; Marci takes her ex to court for child support; and Catelynn moves back home with her family. Tuesday at 10 on MTV.

"Doctor Who" Rory maintains a vigil for Amy while the Doctor is trapped in the Pandorica, and the key to restoring the universe may lie with a little girl who still believes in stars in the 5th-season finale. Saturday at 9 on BBC Amer.

"Mad Men" In the Season 4 opener, Don's reluctance to talk about himself jettisons a prestigious trade-paper interview that the company was hoping would be a boon to business. Meanwhile, the "wholesome" manufacturer of two-piece swimsuits wants to hire the firm but doesn't want a sexy ad campaign; Pete and Peggy stage a stunt in an effort to secure more money from a meat-company client; and Roger plays Cupid for Don. Sunday at 10 on AMC.