SEASON: 2
EPISODE: 4 - Pearly Pop Queen/Pop-Up Toad Prince
SYNOPSIS
Quack loses Kira’s pearl at sea, Zack decides to ask the Pearly Pop Queen of Poplantis to help find it./Belly Up persuades a Princess to kiss him so he turns into a Prince. Zack helps him realize that it’s cooler to be a frog.
The Marsh King's Daughter 
The End of the Storm 
The Return of Sherlock Holmes 
The SpongeBob SquarePants Movie 