Merry Christmas, Mr. Plankton
When Plankton takes over the North Pole, SpongeBob, Mr. Krabs, and a group of misfits team up to save Christmas.
2026-11-27 44mNow playing
Season 18 · 3 episodes · 1 credit each
Watch SpongeBob SquarePants season 18 online in HD
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Episodes · Season 18
3 episodes in this season
Imagine That!
SpongeBob breaks his imagination.
The Family Worm
Mr. Krabs becomes attached to Pearl's new pet worm.
Season 18 FAQ
How much does SpongeBob SquarePants season 18 cost?
Each episode costs 1 credit. Credits are $1 each, and unlocked episodes stay in your account permanently.
Do I need an account to watch SpongeBob SquarePants?
Yes. Create an account and add credits before unlocking an episode. Signing up is free.
How many episodes are in SpongeBob SquarePants season 18?
This season has 3 episodes. They are listed in order below and the player advances automatically when an episode ends.