Question: big bang theory finale what time?
Answer: “The Big Bang Theory,” 8 p.m. Thursdays, CBS. The May 16 finale has episodes at 8 and 8:30 p.m. They're followed by the “Young Sheldon” season-finale at 9 and a special, “Unraveling the Mystery: A Big Bang Farewell” at 9:30 p.m. Also, the cast will visit Stephen Colbert at 11:29 p.m.