It first aired on October 21, 2018 in Australia. The episode aired on December 28, 2018 in France on the channel "France 4" and aired on February 25, 2019 in the US.
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. Can the friends help Unikitty comprehend a proper goof and win the prank war with Frown? Or will they be forced to suffer his tricks without retaliation and admit defeat?
- When locked in the losers' cage, Master Frown can be briefly seen showing concern for Unikitty's safety outside the cage with the Lion.
|The image gallery for Prank War may be viewed here.