Elvis Presley: The Searcher (8 p.m., Saturday, April 14, 2018, HBO) — This two-part documentary (both parts airing Saturday night) traces the life of Elvis Presley from his Tupelo, Mississippi, childhood through his Jungle Room recording sessions in 1976, a year before his death at Graceland. The documentary includes rare photos and footage from private collections and interviews with Priscilla Presley, Scotty Moore, Red West, Bill Ferris, Tom Petty, Bruce Springsteen, Emmylou Harris and Robbie Robertson. It’s directed by Thom Zimny, whose previous credits include several Springsteen films.
Animal PD (10 p.m., Saturday, April 14, 2018, Animal Planet) — A new series following animal welfare officers who track down those who commit cruelties to defenseless creatures.
Saturday Night Live (11:30 p.m., Saturday, April 14, 2018, NBC) — Comedian and former SNL writer John Mulaney returns to the show as host, and Jack White performs.