The Parasite

"The Parasite" is the twenty-fifth episode of Season 4 of The Amazing World of Gumball. It is the 141st episode overall.

Synopsis
Gumball and Darwin read Anais' diary and discover her relationship with a new friend is one-sided.

Plot
The episode starts off with Gumball and Darwin reading Anais' diary in their room. The diary explains on how Anais made a new friend named Jodie. And it all starts off when Anais gave her a pen. With Gumball imitating Anais' voice, Darwin interrupts him by giving him a warning about reading Anais' diary. However, Gumball ignores him saying that they did the "pros and cons"which leads all the way across Elmore. As they read more further of Anais' diary, the boys suspected that Jodie is being abusive towards his sister such as stealing her lunch, trading science projects so she could get a better grade, and forcing Anais to hold her heavy backpack. Then Darwin mentions that Gumball is being overprotective like his mom. But Gumball think Jodie is a parasite

During school, Gumball and Darwin tries to spy on Jodie. They find a girl that looks exactly like the boys imagined. Gumball throws Darwin's shoe and knocks her unconscious. But they realize that the duck-girl was actually Jodie. As Darwin checks if the Sparkle girl was ok, Gumball plans to knock out the real Jodie instead. Darwin interrupts saying they should check if Jodie is actually being abusive towards her.

In the next scene in gym, Gumball attempts to throw a a ball to hit Jodie. However, Anais protects Jodie which led her injured. Darwin stops him to throw another one at Jodie. Gumball explains he's trying to prove that Jodie is "brainwashing" her. Darwin tells him to talk to Anais when she's alone. Gumball agrees but throws another one which made Anais getting hit again.

In the halls, the three siblings have a conversation about Jodie.

Main Characters

 * Gumball
 * Darwin
 * Anais
 * Jodie (debut)

Minor Characters

 * Sparkle Girl (debut)
 * Clare
 * Jared
 * Bulldog
 * Mole
 * Crocodile Woman
 * Granny Jojo (mentioned)
 * Tobias
 * Green Bear
 * Nicole (mentioned)
 * Hot Dog Guy
 * Leslie
 * Gorilla
 * Coach
 * Pixel Octopus
 * Carmen
 * Rocky
 * Richard
 * Larry (voice)
 * Alan
 * William
 * Carrie
 * School Nurse

Trivia

 * This episode reveals that Gumball can imitate Anais and Nicole's voices very well.
 * The episode was released on the Cartoon Network app and Video On Demand before airing on TV on March 11, 2016.

Continuity

 * Music from "The Traitor" is reused.

Cultural References

 * Gumball and Darwin's parasite form resembles a Clicker from The Last of Us.
 * Title music from the Alfred Hitchcock movie Vertigo plays during the scene in which Anais recalls what really happened between her and Jodie.

Goofs/Errors

 * The episode begins without the title card and credits. This is the same goof that happens to the reruns of "The Quest" and "The Goons."