Lady Rainicorn of the Crystal Dimension
Jake's son finds a hidden box and draws attention from a Rainicorn.
Cast
Jeremy ShadaFinn the Human (voice)
John DiMaggioJake the Dog (voice)
Tom KennyIce King (voice)
Hynden WalchPrincess Bubblegum (voice)
Olivia OlsonMarceline the Vampire Queen (voice)
Niki YangBMO / Lady Rainicorn (voice)
Pendleton WardLumpy Space Princess (voice)
Polly Lou LivingstonTree Trunks (voice)
Adventure Time on tvt
