The Twilight Zone 2×07: “A Human Face”

A married couple grieving their daughter is visited by an alien life form

Happy! – Season 1, Episode 2: “What Smiles Are For”

Nick wants to leave the city, get away. But Happy needs to convince him otherwise.

Happy! – Season 1, Episode 1: “Saint Nick”

Former cop, current hitman Nick Sax winds up in the hospital, pursued by the mob, and a little girl's imaginary friend - a blue, flying unicorn named Happy.