When the Croods find a man frozen in a block of ice, they thaw him and discover he was an old flame of Gran's!
Determined for Grug and Guy to bond, Eep plans a hunt for the three of them.
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.
Determined to show Hope that she's just as good a cook, Ugga decides to cook a meal that will wow the farm residents. But when Ugga realizes she's out of her element, she turns to the punch monkeys for help.
When Hope allows Dawn to borrow her favorite bracelet, Dawn is determined to prove she is responsible.
Gran announces it's time for a Thunder Sister retreat at Camp Thunder to strengthen their team building skills, but Gran takes it too far when she puts the sisters through a dangerous trial.
When Phil's beloved stick companion Philliam goes missing, he enlists the help of Ugga and Eep who lead an investigation across the farm.
Each kid believes that they have the best pet on the farm, and hold a contest to prove it.
The Croods and Bettermans take in Malachi, Gran's longtime enemy, until his broken wing heals.
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.
Dawn is bummed when an injury prevents her from joining the Croods and Bettermans to a trip to Fizzy Falls, but when Thunk recruits her on his quest for an ancient stash of legendary snacks, Dawn can't resist joining the treasure hunt.
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.
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.
Trained by her parents, Eep competes in Alphafight a tournament where the animal kingdom fights to determine the dominant species.
Phil and Guy try to disprove the Croods' belief that leaving offerings to the fire moon will prevent bad luck.
Upset that he can't grow a beard, Grug resorts to some unorthodox hair growth methods.
An attempt to fix a broken vase leaves Guy and Hope stuck together with glue.
Terrible at hide-n-seek, Thunk asks Gran to teach him to hide. With her training, he soon becomes her partner in crime, helping her with heists and schemes.
Dawn hates her mother's beetballs and has been secretly dumping them in the lagoon to spare her feelings.
The kids take their "Dare Game" too far, causing Grug, Ugga, Phil and Hope to forbid them from playing it.
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.
The Croods, Bettermans, and Guy compete in the Throw-Go-Bowl - an annual Throw-go-nut championship game against the punch monkeys.
Phil enlists the Croods to help him retrieve a rare fruit before some wild animals can.
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.
After a big argument between the Croods and Bettermans, the parents decide to separate the two families.
Hwam returns with news of a utopian cave community ("Caveana"), accidentally reigniting the argument between the Croods and Bettermans.