Dora and Boots meet León, a friendly lion who wants to join the circus. They pedal on a unicycle, tightrope walk and skate their way to the Big Top, so León can become a circus lion and do all his tricks.

The Bubble Brothers Circus is coming to town, and all the Guppies are getting into the act! See Goby the clown, Gil the acrobat, Oona the lion tamer … just watch out for that pie! SPLAT!

The circus is in town, but it needs performers! Fresh Beats to the rescue! Marina encourages her friends in their new acts, but when she's asked to be ringmaster, she needs encouragement too!