Heat Signature S26E26 - Heat Signature 2011
Marceline plays a prank on Finn and Jake by making them believe they're vampires, but it goes too far and escalates when they're manipulated by her ghost friends.
- Released: 2011-05-09
- Runtime: 50 minutes
- Genre:
- Stars: Pendleton Ward, Olivia Olson, Jeremy Shada, John DiMaggio, Tom Kenny, Hynden Walch, Niki Yang, Polly Lou Livingston
- Director: Larry Leichliter, Patrick McHale, Cole Sanchez