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疯狂原始人：家谱
The Croods and the Bettermans are back and battling over which kooky croodimal to crown “best pet” while Eep is skeptical of the farm’s newest visitor, and Gran’s feathered frenemy, Malachi. Thunk recruits Dawn on a quest for an ancient stash of legendary snacks, and Phil’s “Greatest Inventor Whoever Lived” title is tested when Grug discovers an old, subterranean cave filled with inventions far more advanced than anything prehistory has ever seen.
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. Meanwhile, Phil's attempts to find a pet to enter proves dangerous, as he turns to wild animals.
The Croods and Bettermans take in Malachi, Gran's longtime enemy, until his broken wing heals. Eep is unsure whether or not Malachi can be trusted.
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.
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. The kids set off to bring him back home. Note: Gran narrates the story.
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.
