Seward battles against his own mortality. Meanwhile, Sarah and Holder's efforts are rewarded with a break in the case. Also, Bullet becomes the protector. Mireille Enos reprises her role as Sarah Linden, who is once again on the trail of a murderer. AMC, 8 p.m.
Celebrity Wife Swap
Two '80s icons swap families in this edition. Actress Nia Peeples and pop star Tiffany step into each other's shoes for two weeks. The first week, they'll have to abide by the family's established rules, but the second week they can shake things up. ABC, 7 p.m.
The mystery deepens as the remaining contestants strive to stay in the game. Mansion steward Butler Giles guides the players, who put their detective skills to the test as they try to solve a series of murders in the hopes of winning the $250,000 prize. ABC/CTV, 8 p.m.
After an abandoned car is discovered, Sebastian and the ICC team uncover a shocking secret. It appears that families have been pitted against each other in a fight to the death. The case requires Eva and Tommy to embark on a dangerous undercover mission. NBC, 9 p.m.