What to Watch Friday: Nikita's Season-Ending Choice, Shark Tank and Boss Finales and More

NikitaOn TV this final Friday of May Sweeps: Nikita can’t catch a break – even in her final Season 3 mission, Maron‘s pop is a piece of work, Jessie bears a huge responsibility and an evil scientist braves the Shark Tank. Here are 10 programs to keep on your radar.

8 pm Shark Tank (ABC) | Back-to-back episodes: In the first hour (postponed from an earlier date), a New York man peddles his door-to-door, luggage-pick-up service. Then, in the season finale, two Wharton grads gauge interest in their translation app for international travelers, and Phineas and Ferb‘s Dr. Doofenshmirtz pitches his latest “-Inator” (watch a sneak preview). (Yep, renewed.)

8 pm Nikita (The CW) | Season finale: Amanda forces Nikita into a situation where she must choose between saving Michael or saving herself. (Yep, renewed for a short, final season.)

8 pm Undercover Boss (CBS) | Season finale: The show closes out its season by catching up with several past bosses, including Rick Tigner of Kendall-Jackson Wine Estates and Kat Cole of Cinnabon. (Renewed.)

8:30 pm Jessie (Disney Channel) | Luke test-drives giving up his stuffed koala Kenny by putting the bear in Jessie’s care. But when Kenny is accidentally damaged, Stuart performs emergency “surgery” to repair him.

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9 pm Da Vinci’s Demons (Starz) | The Turk’s clue about the Book of Leaves sends Leonardo to Wallachia, where he encounters Vlad Dracula.

9 pm Phineas and Ferb (Disney Channel) | The boys create an infinite probability generator that will allow Baljeet to make as many choices as he pleases without being affected by the consequences.

RELATED | May Season Finale Calendar: What’s Ending When?

10 pm XIII: The Series (Reelz) | XIII searches for the final letter on a (slow?) boat to China.

10 pm Merlin (Syfy) | Mordred’s decision between love and loyalty could shape Camelot’s destiny.

10 pm Real Time With Bill Maher (HBO) | Council on Foreign Relations president Richard Haass, The Hangover‘s Zach Galifianakis, conservative commentator S.E. Cupp, documentarian Michael Moore and journalist Andrew Ross Sorkin join Maher.

10 pm Maron (IFC) | Judd Hirsch (Numb3rs) guest-stars as Marc’s estranged dad, who shows up with a get-rich-quick scheme and winds up in a power struggle with his son. Jeff Garlin (Curb Your Enthusiasm) also appears.

Hit the comments with your must-see picks from tonight’s lineup!