Indy's (Bibi) slimy adventure continues as a mysterious slime stone with magical powers suddenly appears from outer space. When the evil Xenia Kobalt takes hold of the stone the entire world bursts into a fight. Indy, the happy alien Klatu and slime friends both new and old have to go to the impossible to stop Xenia.

Sinterklaas and his helpers are preparing to depart for the Netherlands on the steamboat. When Danspiet secretly brings a parrot on board, things go terribly wrong. This cheerful bird quickly causes chaos on all fronts. Baking Pete is at his wits' end when the chocolate melts, Cool Pete gets red bumps, and Danspiet gets into a fight with her best friend. Ultimately, things go so wrong that the boat veers off course and runs aground on an island. Will Sinterklaas's Club arrive in time for Christmas Eve?

Slime creator Indy has to come up with a super cool new slime recipe for a big Slime Gala. When she secretly adds octopus slime while making it, magical colors are created. This is the best slime she's ever made! But when jealous slime creator Benji steals the recipe, everything goes wrong. Can Indy stop Benji and win back her slime fans?