Hired to work a laid-back radio promotion luau in groovy Malibu, the gang decides to take mushrooms together and things get weird.

Henry and the Party Down crew scheme to keep their latest party going all night.

Ten years later, Kyle Bradway has just landed his star-making superhero role. He hires Party Down to cater his celebration party, leading to welcome reunions and some unexpected surprises.

Ron, desperate to keep Party Down afloat, books an event for an extremely problematic group leading to complications for… everyone.

Lydia, worried that daughter Escapade missed her childhood, plans a “prom” promotional event for her new movie. Meanwhile, Ron schemes to impress a studio PR bigwig who could make or break Party Down.

Party Down works a surprise party for movie star Jack Botty thrown by his studio exec girlfriend Evie, which turns weird when the team sees something they shouldn’t have.