Prehistoric teenager Ubu prepares for his first hunt. Will Booga turn him into a real hunter, or will he discover a different talent? Meanwhile, Foo invents something that will change the tribe's life forever.
Babba looks for a way to expose the secret painter and banish him. Ubu fights to protect his secret, while Booga reveals one of her own. Meanwhile, Foo starts school, only to learn it's harder than she expected.
Lice take over the tribe. Mika tries to unite everyone to fight them, but not everyone cooperates. And if you scratched your head just now reading this, don't worry, it's all in your head.
Babba sets out to prove himself by hunting his greatest enemy, the bear known as "Lazy Eye." Meanwhile, Ubu plans to impress Booga and become the life of the party, until Beef almost ruins everything.
Butterflies arrive in the valley. Foo wants to follow them with her friends, but Babba insists on joining. Ubu attempts to hunt a mammoth with the help of Yoohoo and learns that friendship matters more than mammoths.
Babba tries to prove to Mika he remembers their first date. He doesn't. Ubu, meanwhile, does everything he can to get rid of the babysitter his mom hired to watch him and Foo.
All the kids go on the annual field trip, except Ubu. And as if that's not bad enough, during the trip Booga and Beef grow very, very close.
The tribe celebrates the Square Festival. What starts as a joyful holiday quickly turns into chaos that divides the tribe. Meanwhile, Yoohoo goes on a spiritual journey and discovers new things about himself.
Ubu defeats Beef and becomes the tribe's new bully. Yes, Ubu. At the same time, Foo replaces Yoohoo and becomes the tribe's shaman. Ridiculous? Absolutely. True? Also yes.
Booga invites Ubu to the Fall-Spring Dance, but actually wants Beef, who wants Gazelle, who ends up with Ringo. Total chaos. And how does Baloota fit into all this?
Ubu goes on a date, but Booga is convinced it's a trap and secretly follows him. Meanwhile, Babba starts spending way too much time with Beef. And yes, it's as weird as it sounds.
Foo wants to know where babies come from. Mika tries to sell her a story, but Foo isn't buying and launches an investigation. Meanwhile, Ubu gets tangled in lies and learns how easily they ruin relationships.
Ubu is heartbroken after breaking up with Baloota, and Ringo comes up with a plan to cheer him up. Babba discovers Booga's secret, that she's an excellent hunter, and Booga discovers Babba's secret.
Someone in the tribe discovers that Ubu is the cave painter. Ubu realizes his art can earn him status, while Yoohoo learns that telling stories to kids is harder than it looks.
Today is Parents' Day at school, and Ubu tries to cancel it. It does not go well.
Beef and Gazelle break up. Again. For Booga, it's a chance to get closer to Beef. For Ubu, it's his worst nightmare. Meanwhile, Mika and Yoohoo rediscover a childhood game.
With a big test coming up, Booga and Ringo panic, but Ubu is calm. He has a plan that will help everyone pass the test. Friends, enemies - everyone. Meanwhile, Ringo decides he wants to be an adult.
No one remembers what happens in this episode. Seriously. You'll just have to watch it. And then tell us.
Ubu needs to remember an embarrassing moment from his past in order to draw himself. There are plenty to choose from, but for Ubu, finding the right one isn't so simple.
Season finale. Ubu is forced to reveal some of his secrets to the tribe, and pay the price. An emotional episode that will make you cry like a mammoth with a pulled tooth.
