Flapjack keeps an eye on Candy Wife while Peppermint Larry is out of town. Unfortunately, Captain K'nuckles starts to play tricks on Candy Wife, until he tells Flapjack he will marry Candy Wife.

Flapjack and K'nuckles attempt to befriend two old men who possess a treasure chest from Candied Island.

K'nuckles becomes infested with termites.

Flapjack, Captain K'nuckles, and Bubbie journey to the Bottom of the World to retrieve K'nuckles' lost "sittin' muscle" (his bottom), which he replaced with a wooden belt. They go to the peak of a mountain, where his sitting muscle is located. Flapjack and K'nuckles find his sitting muscle frozen in ice, and are unable to get it out. Upset that he might freeze to death, K'nuckles gets depressed. Flapjack tries to make K'nuckles feel better by hugging him, but the heat from his hug makes K'nuckles' sitting muscle thaw out. K'nuckles puts on his sitting muscle and Flapjack and K'nuckles slide down the mountain. But the friction from the slide causes K'nuckles' sitting muscle to be burned off, and Flapjack and K'nuckles are frozen in ice.

Peppermint Larry is preparing for the Stormalong Pun-Off, where he will compete with comedy legend, Punsie McKale, in joke-telling. To practice, Peppermint Larry teaches Flapjack puns, as Flapjack is a very bad joke-teller. On the day of the Pun-Off, Peppermint Larry starts getting nervous and puts on a very bad show, and Punsie McKale clearly puts on a better show. K'nuckles then gets bored with their jokes and tells some jokes of his own. K'nuckes is so well-received by the audience, that the audience goes wild with laughter and sink Stormalong Harbor.

When it is thought that Flapjack has fallen in love with a girl named Sally Syrup, Peppermint Larry and Captain K'nuckles hoping to profit from the arrangement, by stealing the lovehearts that pop out of his head.

Flapjack learns from Captain K'Nuckles about of a strange man that gives away combs in exchange for candy. Upon finding out that this man's family is in a similar situation as him, Flapjack decides to help the man, Tee Hee Tummy Tums, sell his combs.