"Cedar Cove" 8 tonight Hallmark — Seth disappears in Alaska.

"Hell on Wheels" 9 tonight AMC — Durant tells Louise a secret about Cullen.

"Family Dance Off" 8 p.m. Sunday ABC — Derek Hough hosts this dance group competition special.

"Breaking Bad" 9 p.m. Sunday AMC — Jesse decides to make a change.

"Dexter" 9 p.m. Sunday Showtime — Dexter investigates a murder.

"Devious Maids" 10 p.m. Sunday Lifetime — Valentina worries Remi will hate her when he returns from rehab.

"Ray Donovan" 10 p.m. Sunday Showtime — Avi drives Sully from Boston to Los Angeles to meet with Ray.

"Low Winter Sun" 10:04 p.m. Sunday AMC — Frank and Geddes work to cover up evidence in McCann's murder.