Unikitty and the gang are planning a surprise secret project, and Puppycorn feels left out. In order to decipher their secret code talk, Puppycorn borrows a magic spell book from the castle library.
Unikitty attempts to use one of Dr. Fox's inventions to erase an embarrassing memory from Puppycorn's brain, but accidentally releases all of Puppycorn's memories in the process.
Unikitty and her friends have an exciting day at their favorite amusement park, but Master Frown and Brock are there to ruin their good times and drive everyone out.
When Puppycorn's favorite toy goes missing, Unikitty and Hawkodile team up to track down the thief, buddy-cop style. But when things get tough and the case goes cold, now it's not just their partnership on the line, but their friendship.
An asteroid is headed right for Unikingdom, so Dr. Fox leads the gang on a mission to land on the asteroid's surface and blow it to bits with a huge bomb.
When Master Frown starts a prank war with UniKingdom, the friends are ready to strike back. But Unikitty doesn't really understand pranks, thinking they're too mean.
Unikitty and Puppycorn are reunited with their mysterious uncle Donklecorn. The gang is elated, except for Hawkodile, who suspects he is actually Master Frown in disguise.