Babar takes his family up into the mountains ostensibly for a winter holiday. But Babar is really searching for the mythical creature he saw as a child.

Cornelius and Pompadour have a major disagreement and vow never to speak again. However, both are unaware that their silence could cost them their lives.

Arthur builds a flawed robot but will not admit his mistake. In trying to cover up the situation, things get out of control.

Babar is out to catch the "biggest fish in all of Celesteville". But with the clumsy Flora as his partner, Babar's dream seems unlikely.

Babar talks with Flora about the importance of always telling the truth. Yet Babar starts to regret those words when Flora does exactly that.

Determined to win Celesteville soap box derby, Victor "borrows" Pom and Flora's secret design. But when Alexander gets the blame, Victor wonders if winning means everything.

The kids decide to hold a yard sale believing the palace to be in financial trouble. But while looking for goods to sell, they mistakenly pick up Rataxes' "favorite" lamp.

Rataxes takes the credit when Basil saves Isabelle's life. Rataxes is hailed as a hero but finds his guilty conscience troubling him.

When Pom makes the school basketball team as "towel boy" he lets Babar believe he's a top player. Yet Pom is in for trouble, when Babar makes plans to attend a game.

Arthur pulls a prank, which has everyone believing aliens are landing. But the joke backfires on Arthur when he spots a real UFO and nobody believes him.

When the kids turn eleven they decide they are now adults. Babar and Celeste are shocked when they announce their "adult" plans for their lives.

Babar agrees to clandestinely escort a top-secret briefcase to Paris. But the simple journey becomes complicated when the Old Lady mysteriously disappears from the train.

Arthur becomes a hero when his "lead blimp" tops the jungle popularity polls. But the blimp doesn't work yet and the greatly anticipated maiden voyage is only a few hours away.