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.
Nicole wants to show to Felicity that the Wattersons are a normal family, while her son, Billy, meets Anais.
When Gumball and Darwin decide to join a crew, they are determined to prove their worth to senior citizens.
After learning what grade Anais is in, Gumball and Darwin learn that there is a whole new world of students.
When Richard learns of Granny Jojo's plans to marry, he sets out to adopt Louie so he can forbid the wedding.
Gumball, Darwin and Anais are delighted when Grandpa Louie gives them a check for $5000, but the family soon fights over how to spend it.
When they find Anais training herself for a brutal showdown, Gumball and Darwin realise that their sister is being pestered at school by an annoying kid: Billy. They try to teach her how to resolve the problem peacefully, but Billy has other ideas.
Gumball and Darwin are crushed to learn that Mr. Robinson is selling his house and moving away, and when trying to make their final moments together last doesn't work, the duo decide to sabotage the sale.
After they receive an extravagant invitation to Masami's birthday party, Gumball and Darwin are anxious to find just the right gift for her. However, they're not the only ones: it turns out every kid in Elmore is competing to get Masami the perfect present.
When the Wattersons arrive at the mall for a day of shopping, they struggle to find a space in the parking lot. They search for a space everywhere -- using all their intelligence, cunning and trickery -- but as the day goes on, the desperate hunt for a space becomes more important than the trip to the mall itself.
Richard's trip to the store to find mayonnaise for the family's burger night turns into a Neverending Story-meets-Conan the Barbarian-style quest where he squares off against Tina Rex's father, Mr. Rex.
Gumball and Darwin upgrade Bobert the robot – and discover that his new operating system is full of buggy and useless applications and is prone to crashing.
Sarah creates a comic of Gumball as a superhero named LaserHeart, prompting Gumball to act like one in real life.
Fearing that she may be sick of him due to a missing emoji on her message to him, Gumball sends Penny on a romantic quest to rekindle their love, which turns into a disaster when Penny gets lost in the woods.
Gumball and Darwin get hooked on watching Elmore Stream (the show's version of YouTube) and viewers get a look at the different online videos the residents of Elmore have uploaded on the Internet.
Gumball tags along with Patrick Fitzgerald (Penny's father) as Patrick prepares to pitch plans for a new hospital to the CEO of Chanax -- and ends up roping him into a golf game with the CEO.
To prove to Darwin that he can be unpredictable, Gumball decides to hug the first person he sees -- an anthropomorphic hot dog -- and Gumball ends up in over his head when he and the Hot Dog Guy can't stop bumping into each other.
After being framed for feeding coffee- and prune juice-laced nuts to the squirrels, Darwin tries to prove to Gumball that Mr. Robinson's wife, Margaret, is a good person underneath her destructive, sociopathic tendencies, but when Darwin sees just how evil Margaret is, the duo decide to catch her committing grand theft auto.
In this, the first half-hour episode, a four-year-old Gumball becomes too much for young parents, Nicole and Richard, to handle, so they buy him a goldfish, but after the first six die from neglect, stupidity, and unfortunate incidents, Richard finds a special one in a shady red van who bonds with Gumball on a spiritual level. This gets put to the test when Darwin gets flushed down the toilet and must traverse a scary, new world to return home.
In this, the first half-hour episode, a four-year-old Gumball becomes too much for young parents, Nicole and Richard, to handle, so they buy him a goldfish, but after the first six die from neglect, stupidity, and unfortunate incidents, Richard finds a special one in a shady red van who bonds with Gumball on a spiritual level. This gets put to the test when Darwin gets flushed down the toilet and must traverse a scary, new world to return home.