The babies play detective to try and solve the mystery behind some new things in the house. Can you help them uncover the exciting surprise in store?

The babies are working hard — and doing the silly dance! — to help Tilly learn fun things. But she's got something special to teach them, too!

Uh-oh, what does Tilly want? The babies don't speak Mandarin, so they're not sure. But Word Wally and the What's It Toy are there to lend a hand.

When Clickety Clock takes a tumble, Kip and Lulu help with repairs. But without their trusty guide, the other babies get the schedule all mixed up!

Everybody wants to play with little Tilly, but some of the babies still need to learn how to make sure their games are safe and kind.

An exciting outdoor adventure leaves Lulu feeling left out because she's little. Things get better when she uses her words — and her imagination!

Sharing is really hard for Lulu and Tilly when it comes to their special toys. When the two start to fight, Word Wally comes to the rescue.

Franny has a frustrating day when nothing goes her way. The babies work together to find the English and Mandarin words that describe her feelings.

Kip learns the hard way that he can't get distracted when he's in charge of watching Tilly. What will fix the mess? Teamwork — and bubbles!