The BEST episodes written by Thomas Wellmann
#1 - Wizards Only, Fools
Adventure Time - Season 5 - Episode 26
After Starchy comes down with a cold and needs a magic cure, Finn, Jake, and Princess Bubblegum disguise themselves as wizards and sneak into Wizard City.
#2 - The Suitor
Adventure Time - Season 5 - Episode 21
Peppermint Butler thinks that Bubblegum is working too hard in her lab, so he tries to get her a suitor.