When Phil learns no one on the farm thinks he's fun, he sets out to prove them all wrong... by building a crazy amusement park.

Believing he doesn't fit in on the farm, Chunky (aided by the other pets) leaves home to follow the distant call of another death cat. The kids set off to bring him back home. Note: Gran narrates the story.

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

When Eep and Dawn find a stranded egg, they eagerly take it in as their new pet, but when they learn the egg is not what it seems, they have to return it before it becomes dangerous.

When Phil detects a meteor is hurtling towards the farm, the Bettermans and Croods must decide how to spend their last day on earth.

Hwam returns with news of a utopian cave community, accidentally reigniting the argument between the Croods and Bettermans. As the Croods journey to Caveana and the Bettermans adjust to life without them, the parents deny how much they miss each other.

After a back-breaking day of farm chores, all Grug and Phil want is a slice of pie. But when there is only one slice left, both Grug and Phil argue that they deserve it more. To prove who works harder, Grug and Phil switch chores on the farm for a day.

Grug accidentally reveals a subterranean cave beneath the treehouse. When Phil can't convince Hope, Grug, and Ugga that the treehouse is more impressive than the new cave, he sets out to destroy the cave.

Dawn hates her mother's beetballs and has been secretly dumping them in the lagoon to spare her feelings. But when the Bettermans (and Eep) go on an underwater expedition in the lagoon, Dawn must keep her family from discovering her secret.

When Grug saves Hope's life during a dangerous mountainside tartichoke harvest, rather than feeling grateful, Hope is desperate to save Grug's life in order to not be indebted to him.

When Hope allows Dawn to borrow her favorite bracelet, Dawn is determined to prove she is responsible. But when an accident leads to the bracelet being stuck in an Eegle's nest, Dawn, Eep, and Guy must retrieve the bracelet before Hope finds out.

While the parents are away, the kids are in charge of the tree house, but when the punch monkeys invade the house, the kids find themselves out of their element.

After a big argument between the Croods and Bettermans, the parents decide to separate the two families. Not wanting to split up, the kids try to convince the parents to make up before the Croods move off the farm entirely.

After Thunk and Guy tell Eep and Dawn a campfire story of Gorgwatch, a hideous monster who roams the woods, the girls are terrified.

When Grug thinks his forehead looks too big in Ugga's family portrait, she strives to make the painting disappear.

The kids take their "Dare Game" too far, causing Grug, Ugga, Phil and Hope to forbid them from playing it. But when the adults also get hooked on the game, the kids must convince them to stop before someone gets hurt.

Thunk goes missing after the Thunder Sisters dismiss his help during a battle. The Thunder Sisters, and Grug, Phil, and Guy's newly formed "Thunder Sifters" search on and off the farm for Thunk.

When the Bettermans invite the Croods to join their family game night, two things become clear: Phil needs to win and Grug hates to lose.

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."

An attempt to fix a broken vase leaves Guy and Hope stuck together with glue. Guy's ability to stay calm is tested when Phil is too busy to help, and the other farm residents also get stuck.

When the parents find their precious outhouse destroyed, they perform a "trouble trial" to find the culprit. To prove their innocence, each kid provides their own explanation for the outhouse's destruction.

Ugga has a secret - she's taking Eep to "flop with the bulrusses" - a fun and dangerous pastime Ugga enjoyed as a teen. Ugga's excitement fades when Hope invites herself and Dawn along.

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.

The Crood and Betterman parents have been struggling to get along – they’re so different! The two couple realize they need some time apart and decide to get away from the farm and each other.