BMO continues "human lessons" with his reflection, Football. They practice drinking tea with pinkies extended, nearly short-circuiting BMO with liquid in the process. Production & Cultural Impact First Aired: January 14, 2013.
Finn and Jake mistake a book of nursery rhymes for a warlock's spellbook. They spend the episode sticking their thumbs into various objects—including an ant hill and Lady Rainicorn's pregnant belly—shouting "WhatagoodboyamI!" in hopes of triggering "magic". [S5E3] Five More Short Graybles
Tree Trunks mistakenly believes a statue is making an obscene gesture at her (Shelby the worm is actually just resting on the statue's middle finger). She rounds up a "posse" to take the law into her own hands. BMO continues "human lessons" with his reflection, Football
The episode's primary theme is the (sweet, savory, sour, salty, and bitter), though a secondary, more visual theme connects the stories to the five fingers . Finn and Jake mistake a book of nursery
Marceline seeks a guitar from Wizard Bill's music store that plays the "most savory licks." She hitches a ride on the finger of a massive Rock Giant to find the shop.