(ALL TIMES ET)

9PM, SUN | PBS
Downton Abbey – On the fighting front, Matthew and William go on a dangerous patrol mission behind German lines, while, back at home, Cora and Isobel are at odds over Downton Abbey’s medical services.

8PM, SAT | LIFETIME
Drew Peterson: Untouchable – Rob Lowe undergoes a makeover to – lit-rally – look like the titular real-life former Illinois cop who was charged with killing his third wife (his fourth wife is MIA, too).

10PM, SAT | COMEDY CENTRAL
JB Smoove: That’s How I Dooz It – The gym, police chases and King Kong are among the topics the Curb Your Enthusiasm scene stealer discusses.

10PM, SAT | ID – SERIES PREMIERE
Scorned: Love Kills – ID’s latest unfolds the stories behind love gone wrong. Very, very wrong. Deadly wrong. You get the idea.

10PM, SAT | CNBC
Til Debt Do Us Part – A couple who are typically spend whatever they feel like on whatever they feel like seek Gail‘s financial advice when they’re expected their first child.

11AM, SUN | BBC AMERICA
Luther Marathon – You know him from The Office, but this is the role – as complicated genius British police detective John Luther – that won Idris Elba a Golden Globe award last week.

8PM, SUN | VH1
Mob Wives – Karen and Carla have a meeting that, unsurprisingly, ends with shouting and threats of violence.

9PM, SUN | OWN
Oprah’s Next Chapter – The Big O chats with George Lucas and his girlfriend at Skywalker Ranch, in part one of a two-part interview with the Star Wars daddy.

9PM, SUN | BRAVO
Real Housewives of Atlanta – Kim‘s on her own with the new house and baby when the NFL lockout ends and Kroy goes back to work. Meanwhile, Nene decides to go on the trip to South Africa, but with Marlo tagging along.

10PM, SUN | FOX
American Idol – Yep, on a special Sunday night, post-football edition, night three of the early audition rounds continue.

10PM, SUN | SHOWTIME
House of Lies – Marty (Don Cheadle) is confused, as is his son Roscoe, when the kid has a crush on two of his classmates, one a girl, one a boy.

Worth flipping to during commercials:
– On Dog Whisperer (Sat., 8PM, Nat Geo Wild), Cesar heads to Fort Hood, Texas, where he helps train the dogs of U.S. Army members;
– Bayou Billionaires (Sat., 9PM, CMT) is a reality show following a Louisiana family, previously poor, who become rich and start living like billionaires (yes, Bayou Hillbillies);
– Tom Arnold hosts this sequel to My Big Redneck Wedding: My Big Redneck Vacation (Sat., 9:30PM, CMT);
– In the follow-up to An Idiot Abroad, An Idiot Abroad: The Bucket List (Sat., 10PM, Science Channel), Ricky Gervais‘ pal Karl Pilkington spends the night on a private island in the South Pacific;
– Kenneth Branaugh and Zach Braff guest star on The Graham Norton Show (Sat., 10:15PM, BBCA);
– On Once Upon a Time (Sun., 8PM, ABC), Snow White is distraught as Prince Charming prepares to marry the daughter of King Midas;
– Lynette goes on a date with Renee’s hairdresser on Desperate Housewives (Sun., 9PM, ABC);
– The five remaining contestants have to run their own lunch carts on a busy NYC sidewalk on Rachael vs. Guy Celebrity Cook-Off (Sun., 9PM, Food Network).