The Nemesis

"The Nemesis" is the second episode of Season 4 of The Amazing World of Gumball. It is the 118th episode overall.

Synopsis
Gumball and Darwin discover that Rob, who once swore to wreak vengeance on them, has been trying to destroy them for some time… but his traps never work.

Plot
The episode begins with Gumball and Darwin walking around the neighborhood in Elmore, discussing about Rob being their sworn enemy from the last episode. As they were pondering, Rob appears out of nowhere and tries to capture the duo. After several failed attempts, Rob encounters Gumball and Darwin. He gives up, but Gumball and Darwin never give up. Rob hitches a ride on the bus, with Gumball and Darwin annoying him. At the supermarket, Gumball and Darwin continue to follow Rob, giving him a nickname. As they leave the supermarket, Rob furiously destroys his groceries. Gumball thought up a villainous name, Dr. Wrecker. Rob suddenly likes that idea. Back at home, Gumball changes Rob's voice to a deep voice.

Main Characters

 * Gumball
 * Darwin
 * Rob

Minor Characters

 * Cowboy
 * Banana Bob
 * Patrick
 * Larry
 * Sussie
 * Martin
 * Crocodile Woman
 * Marvin
 * Manly Warrior
 * Elderly Doctor
 * Pigeon
 * Evil Turtle
 * Mr. Small
 * Gary
 * Neck Beard
 * Rosie
 * Hot Dog Guy
 * Pantsbully

Trivia

 * Both this episode and "The Return" premiered with the full intro.
 * This is the third episode with a guest star, with David Warner voicing Rob for the second half of the episode. The second guest stars were Brian Blessed and Sir Derek Jacobi. It is unknown if Rob (Dr. Wrecker) will keep David Warner's voice or not.
 * This episode marks the first time Gumball and Darwin call Rob by his name without forgetting it.

Continuity

 * This is Rob's second major role in an episode. The first episode was "The Nobody."
 * This is the second episode, where a character undergoes a permanent transformation across the rest of the series, the first was "The Shell."

Cultural References

 * The way that Rob puts on his Dr. Wrecker outfit may be a reference to some Japanese tokusatsu shows, like Super Sentai (better known as Power Rangers in America).
 * During the part in Rob's flashback of an attempt in destroying the metal door to Elmore Dam's control room using a wrecking ball (while riding on it), his pose could be a reference to the music video of 2013's "Wrecking Ball" by Miley Cyrus.
 * The Crocodile Woman's pet cat's lightning shape tail is barely similar to Pikachu from Pokemon.