What to Watch on Sunday: Season finales and a Showtime premiere

Madam Secretary (8 p.m., CBS) – In the season finale, Elizabeth confronts a former friend and remembers an important job offer from the past. Also, Stevie and the president’s son start a relationship. CBS has picked this up for a second season.

Also on . . .

NC Bookwatch (Noon, UNC-TV) – N.C. State professor Cat Warren talks about her book “What the Dog Knows: The Science and Wonder of Working Dogs.”

Secrets and Lies (9 p.m., ABC) –The season finale of this bubble show (a second season is uncertain), has Ben thinking he can finally relax – until a shocking discovery changes everything.

Game of Thrones (9 p.m., HBO) – Margaery seeks prudent counsel while Jaime struggles in a foreign land. Also, Dany answers the Harpy’s call.

Last Man on Earth (9:30 p.m., Fox) – The first season ends with Phil and Carol finally settling their differences. This is renewed for a second season.

Penny Dreadful (10 p.m., Showtime) – In the Season 2 premiere, Sir Malcolm returns to find a new evil hunting Vanessa. The first episode of the new season is free. You can watch it below or at Showtime online.

Mad Men (10 p.m., AMC) – Don is rewarded for his work, and Joan butts heads with a co-worker over an account.

Wolf Hall (10 p.m., UNC-TV) – Anne hears about Henry’s interest in Jane Seymour and threatens Cromwell to make terms with her before her son is born.

In Depth (11:35 p.m., WRAL) – Carolina Panthers quarterback Cam Newton is interviewed about the transition from college to the pros. Here’s a preview of the interview.

This story was originally published May 3, 2015 at 2:00 AM with the headline "What to Watch on Sunday: Season finales and a Showtime premiere."