Sandy is finally old enough to join Grug and Eep for the annual Daddy Daughter Day and Grug couldn’t be more excited. But when Sandy struggles to fit in with Grug and Eep’s traditions, Grug has second thoughts.

Guy is always surprising Eep with romantic gestures and Eep wants to return the favor. But when Guy proves impossible to surprise, Eep has to step up her game.

Jealous of the Thunder Sisters, the men on the farm undergo a series of difficult initiation rituals to try and join the exclusive tribe of women.

When Guy invents a primitive skateboard, Eep and Dawn have a blast trying new tricks.

When Grug overhears Thunk accidentally call Phil "Dad", he tries to reconnect with Thunk by taking him to the natural spectacle known as "Big Shine."

When the adults exclude the kids from their adult-only cave, the kids make their own much cooler cave, soon making the adults want to switch caves.