When teamed up with her new friend Lerk, Eep's competitive side takes over when she sets out to win the first-ever school hunting exam at any cost.
When Eep and Thunk play the world's first dare game, Thunk must face his biggest fear.
When snobby neighbors move in next door and complain about a bone pile blocking their backyard view, The Croods launch into the first-ever prank war.
When Thunk invents the first-ever movie using shadow puppets, everyone in Ahhh! Valley loves it... until they are shocked by the ending.
When Grug and Ugga leave the kids alone on date night, Eep throws the first-ever house party that rages out of control and almost destroys the cave.
When Eep has the first-ever sleepover, scary noises and shadows send the girls screaming out of the cave.
When Grug takes Ugga hunting to find her inner growl again, she's as fierce as ever until coming face-to-face with a mom and baby too cute to catch.
When Eep becomes a veg-a-eat-ian, the family hunts for the biggest vegetables they can find - until the plants attack and they're back to eating meat.
Grug is labelled a zombie after taking the world's first nap.
When The Croods experience the first-ever sugar-rush, they're hooked on the delicious new food.
Stephen Fry conjures up some seasonal merriment with Jenny Eclair, Johnny Vegas, Bill Bailey and Alan Davies.
Lee and, a heavily pregnant, Lucy are out doing some last-minute Christmas shopping on Christmas Eve when they get caught up in a robbery in a department store.
When Ginger and Hank build a fort in the basement of Tom's house, it kinda gets in the way. So Tom, Ben and Angela try to reclaim the fort.
Todd drops Savannah off at college in Nashville, but in typical Todd fashion, finds a way to keep tabs on her. Meanwhile, Chase has his own scheme to capitalize on Savannah's new home.
Keith, Holly and Gino continue to look back at the best bits from the past year, this time using a time-travelling transmodulator that Keith has borrowed off his mate Jonesy.