After three beloved seasons, creators Michael Cusack and Zach Hadel are ending the Adult Swim animated series “Smiling Friends,” with two final episodes airing Sunday, April 12, beginning at 11 p.m.

Adult Swim’s cult‑favorite animated comedy “Smiling Friends” came to its official end with a double‑episode finale on April 12. For those who weren’t able to watch live, episodes 9 (“Friend‑Bot”) and ...