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"Plankton's Old Chum" is a SpongeBob SquarePants episode from season twelve. In this episode, when Plankton's usual spot to dump his rotten chum is too full, he tricks SpongeBob into hiding it around the city.
- SpongeBob SquarePants
- Chumta Claus (debut)
- Sheldon J. Plankton
- Karen Plankton
- Patrick Star (2 cameos)
- Mrs. Puff
- Squidward Tentacles
- Eugene H. Krabs (cameo)
- Pearl Krabs (cameo in photo, very small)
- Gary the Snail
- Andy Yellowtail
- French Narrator
- Bikini Bottomites
The begins with Karen and Plankton trying to cook old, spoiled chum, but they failed. Then Sheldon drove a huge barrel of old chum to the place where he usually dumps it. It was a hatch but when Plankton opened it, he realized that it was already filled to the top. Then Sheldon began to look for other places. He tried the well, but it was also clogged.
Along the way, Plankton accidentally stumbles upon SpongeBob, who was walking with Gary. Bob spotted a barrel of chum and asked what it was for. To this, Plankton replied that there is such a holiday (naturally, invented), which is called Chum Day. On this day, the fish supposedly give each other chum. Then SpongeBob agreed to help Plankton make "gifts" in the city, which was in his favor. The two went to Mr. Krabs's house, where they poured chum under the carpet. Then they began to spread chum everywhere, until they finally said goodbye.
SpongeBob went home, but on the way he saw that the chum had splashed out of the Bikini Bottom and flooded, with chum spread all over the streets. The angry residents quickly ran to Plankton and wanted to beat him, but SpongeBob in a Santa hat began to tell and sing about the day of Chum. Then the fish were happy and began to celebrate, but the sanitary inspector forced Plankton to eat all the spilled chum in the name of the safety of citizens.
|( ‣ ) Associated production music|
|( • ) Original music|
|( ◦ ) SpongeBob music|
‣ Tension Bits - Nicolas Carr, Sage Guyton, Jeremy Wakefield [Plankton and Karen counting down]
‣ ? [Rotten chum scattered all over the Chum Bucket]
‣ Charlie's Bike C - Peter Balding, Otto Sieben [Karen orders Plankton to get rid of the rotten chum]
‣ Apples and Pears - Bruce Campbell [Plankton takes the rotten chum outside the Chum Bucket]
‣ ? [Plankton reads a sign forbiding to put the rotten chum into a sewer]
‣ ? [Plankton launches rotten chum to the sign]
‣ Stealth - Max Saunders [Plankton puts the rotten chum into the sewer]
‣ Mischief Makers - Gilbert Vinter [Plankton trying to put back the sewer cover]
‣ Musette Madeleine - Roland Kovac [Plankton paints a sewer cover over the rotten chum]
‣ Buffoonery - Van Phillips [Plankton sees a wishing well already fulled of his rotten chum]
‣ ? [Plankton gets an idea]
‣ ? ["I wish this well was empty of chum."]
‣ ? [Coin immerses into the rotten chum]
‣ Tristesse - Gerhard Trede [Plankton leaves the wishing well]
‣ A Christmas Fairy - Otto Sieben [Sparkles come out from the wishing well and it gets empty of rotten chum]
‣ Wait for It - Van Phillips [Plankton arrives with the rotten chum outside the snail park]
‣ Hide and Seek C - Laurent Dury [Plankton inserts the hose into SpongeBob's body]
‣ Stars and Games - Alf Saro [Rotten chum sprayed by SpongeBob's body all over the snail park]
‣ On the Beach - Kapono Beamer ["Wait a minute, what is this? Chum?"]
‣ Hawaiian Happiness - Jon Jelmer [Plankton tells SpongeBob that the rotten chum it's actually new chum]
‣ Comedy Punctuations and Bridges 1 - Fredric Bayco ["Chum day..."]
‣ ? ["Tell me about chum day. What's it like, what do you do?"]
‣ Cool Cats - Max Saunders [Gary leaves in a car]
‣ ? [SpongeBob asks Plankton about chum day]
‣ A Christmas Fairy - Otto Sieben [SpongeBob and Plankton put rotten chum in Mr. Krabs' house]
‣ Even More Comical Cuts 1-5 - Ronald Hanmer [SpongeBob and Plankton put rotten chum in Patrick's house/SpongeBob and Plankton put rotten chum into a guy's hat]
‣ Luv a Duck - Marc Monsen [Montage of SpongeBob and Plankton putting the rotten chum all over citizens' houses]
‣ ? [Plankton looking around]
‣ Comedy Punctuations and Bridges 8 - Fredric Bayco ["What time is it? Oh, I guess I should hide Plankton's chum before chum day is all over."]
‣ ? [SpongeBob discovers rotten chum in a sewer]
‣ Murder Scene - Alan Wynn [Rotten chum scattered through Bikini Bottom]
‣ A Christmas Suite - Richard Harvey [Flakes of rotten chum start falling from the sky and Bikini Bottom gets covered into it]
‣ Comedy Punctuations and Bridges 8 - Fredric Bayco [Mother forbids her baby of eating the rotten chum]
‣ Comedy Punctuations and Bridges 6 - Fredric Bayco [Citizens complaining about the rotten chum]
‣ ? [Citizens blaming Plankton about the rotten chum]
‣ ? ["You are already dumb."]
‣ ? [Citizens about to punch Plankton]
• Carol of the Chum - Eban Schletter, Crissy Guerrero [SpongeBob ice-skates through the chum over to the Chum Bucket]
‣ ? ["We shouldn't be fighting, it's Chum Day!"]
• Chum Day (song) - Eban Schletter, Tom Kenny [SpongeBob sings it]
‣ Waiting for Santa Claus B - Gregor Narholz [Everyone enjoying the chum day]
‣ ? ["Wait a minute, chum day? That's disgusting!"]
‣ A Christmas Suite - Richard Harvey [Plankton telling everyone he invented the chum day]
‣ Death in the City - Jack Beaver [Health inspector appears]
‣ Finger of Suspicion - Max Saunders [Health inspector gives Plankton a 1,000,000,000$ fine]
‣ The Waiting Game - Alan Wynn [Health inspector tells Plankton he can eat all the rotten chum to avoid paying the fine]
‣ ? ["Isn't there anyone that knows the true meaning of chum day?!"]
‣ A Christmas Suite - Richard Harvey [SpongeBob explaining the true meaning of chum day]
‣ Vacation A - Kapono Beamer, Mac Prindy [Ending]
- As of , The Internet Movie Database (IMDB) gives this episode a rating of 0/10 based on 0 ratings by users. TV.com users give this episode a rating of 0/10 based on 0 votes.
- The photo of Pearl in the Krabs house was redrawn for this episode and just resembles blobs of her colors.
- In Mrs. Puff's house, a photo of Mr. Krabs is seen hanging on the wall, referencing their ongoing relationship.
- A fish version of the mayor from the Broadway musical makes her debut in this episode. She is the third mayor of Bikini Bottom to appear, after the original mayor and Mr. Mayor.
- In this episode, Plankton's chum is light brown and resembles dirt. In other episodes, it is more reddish with visible body parts in it. This is meant to represent the fact that the chum is rotten.
- This episode was leaked on a Russian subscription service called "ivi.ru" on September 13, 2019, before the official Russian premiere.
- Chum Day is a reference to the holiday, Christmas.
- The scene where SpongeBob explains the meaning of Chum Day is a reference to the 1965 Christmas special, A Charlie Brown Christmas.