Smiling Friends, the animated comedy co-created by and starring Michael Cusack and Zach Hadel, will return for a second season on Sunday, May 12, at midnight on Adult Swim.

This year, the target of Adult Swim's historic April Fool's Day prank was "Smiling Friends." The network ... animation is starkly upsetting in Zach Hadel and Michael Cusack's bright world.