Elsewhere on Friday ...
Whale Wars (7 and 9 p.m. Animal Planet): A Japanese security ship is headed straight for the Steve Irwin.
Fairly Legal (10 p.m. USA): Lauren is smitten with a wealthy businessman.
Common Law (11 p.m., USA): Travis' ex-partner causes trouble.
Elsewhere on Saturday ...
Horse racing (2:30 p.m., NBC/Ch. 5): The Belmont Stakes. (Post time is 4:35 p.m.)
Stanley Cup Final (6 p.m., NBC/Ch. 5): Game 5 - Los Angeles Kings at New Jersey Devils
Arena Football (7 p.m., Ch. 2.2): Chicago Rush at Utah Blaze
How to Be a Gentleman (7:30 p.m. CBS/Ch. 2): CBS burns off another episode of this awful sitcom.
The Hangover Part II (10 p.m., HBO): 2011 sequel. (Rated R)
Elsewhere on Sunday ...
Secret Millionaire (7 p.m., ABC/Ch. 4): The founders of Anytime Fitness look for deserving people in Oklahoma City.
The Killing (7 and 11:08 p.m., AMC): In an episode titled "Donnie or Marie," the killer is within Sarah and Holder's reach.
Drop Dead Diva (7 and 11:01 p.m., Lifetime): Jane and Grayson work together on one case; Kim represents her father in another.
Untamed Americas (7 and 8 p.m.; 10 and 11 p.m., National Geographic Channel and Nat Geo Wild): A look at the mountainlands of the Americas; then the deserts.
Mad Men (8 and 10:04 p.m., AMC): In the season finale, there are opportunities for just about everybody and Pete meets a stranger on a train.
The Glades (10 p.m., A&E): A dead body clothed in a mermaid costume washes ashore.
True Blood (10 p.m., HBO): The Authority confronts Bill and Eric; Sookie and Lafayette have a mess to clean up. (Season premiere)
Nurse Jackie (10 p.m., Showtime): Jackie takes control of the ER.
Sister Wives (10 and 10:30 p.m., TLC): Kody and his brothers go looking for fun in Sin City; the teenagers return to Utah for a visit.
The Big C (10:30 p.m., Showtime): Cathy learns to scuba dive.
Longmire (11 p.m., A&E): A man and his award-winning horses are killed in a barn fire.
Veep (11 p.m. HBO): Selina travels to Ohio to endorse a candidate who doesn't want her endorsement. (Season finale)
The Borgias (11 p.m., Showtime): Lucrezia's lover proposes; Cesare makes a big decision.
Girls (11:30 p.m., HBO): Hannah starts work at Grumpy Café.