Natasha Lyonne of “Russian Doll” hosts the 47th season finale of “Saturday Night Live” (NBC, 11:30 p.m.) with musical guest Japanese Breakfast. Finales usually bring out a lot of ex cast members (including Lyonne’s husband Fred Armisen). But it may well also be the last show for an array of cast members including Pete Davidson, Kate McKinnon, Kyle Mooney, Aidy Bryant and Michael Che.
“Planet Earth: Dynasties II” (BBC, 8 p.m.) returns for a second season, with David Attenborough narrating stories of the puma, elephant, chetah, hyena, meerkat and macaque.
A death threat against Signund Freud is the case on the first of two episodes of “Murdoch Mysteries” (Ovation, 7 p.m.).
Sports dominates primetime broadcast TV with Miami at Boston (ABC, 8:30 p.m.) in the NBA playoffs; Michigan at Birmingham (NBC, 7:30 p.m.) in USFL action and Nashville SC vs. Atlanta United FC (Fox, 7:30 p.m.) in major league soccer. What, no baseball?
The concluding half of Judd Apatow’s biographical documentary “George Carlin’s American Dream” (HBO, 8 p.m.) considers his legacy.
The made for TV “Romance to the Rescue” (Hallmark, 8 p.m.), Nathan With and Andrea Brooks play a couple who meet through their dogs.
A beloved national park is the setting for the made-for-TV thriller “Disappearance in Yellowstone” (Lifetime, 9 p.m.) with Lucie Guest and Jonathan Scarfe.
Jade Bird and Dayglow play an “Austin City Limits” (PBS, 11 p.m.) from last year.