<Tr> <Td> ← Previous "Little Dude" </Td> <Td> Next → "Vault of Bones" </Td> </Tr> <Tr> <Td_colspan="2"> List of Adventure Time episodes (season 5) </Td> </Tr> <P> "Bad Little Boy" is the eleventh episode of the fifth season of the American animated television series Adventure Time . The episode was written and storyboarded by Cole Sanchez and Rebecca Sugar, from a story by Sugar, Patrick McHale, Adam Muto, Kent Osborne, and series creator Pendleton Ward . The show follows the adventures of Finn (Jeremy Shada), a human boy, and his best friend and adoptive brother Jake (John DiMaggio), a dog with magical powers to change shape and grow and shrink at will . In this episode, Marceline (Olivia Olson) tells the Ice King (Tom Kenny) a fan fiction involving her genderswapped form Marshall Lee (Donald Glover). </P> <P> "Bad Little Boy" originally aired on Cartoon Network on February 18, 2013 . It serves as a sequel to the third season episode "Fionna and Cake", and sees the return of characters Fionna (Madeleine Martin) and Cake (Roz Ryan), genderswapped forms of Finn and Jake . Glover and Neil Patrick Harris guest star as other genderswapped characters . The episode was a ratings success, being viewed by 3.1 million viewers . In addition, it garnered mostly positive critical reviews . </P>

What episode of adventure time is marshall lee in