The Return
Episode: 4x01 | Airdate: Jul 10, 2015 (12 min)
Episodes
The Nemesis
Episode: 4x02 | Airdate: Aug 6, 2015 (12 min)
The Crew
Episode: 4x03 | Airdate: Aug 13, 2015 (12 min)
When Gumball and Darwin decide to join a crew, they are determined to prove their worth to senior citizens.
The Others
Episode: 4x04 | Airdate: Aug 20, 2015 (12 min)
The Signature
Episode: 4x05 | Airdate: Aug 27, 2015 (12 min)
The Check
Episode: 4x06 | Airdate: Aug 31, 2015 (12 min)
The Pest
Episode: 4x07 | Airdate: Sep 1, 2015 (12 min)
The Sale
Episode: 4x08 | Airdate: Sep 2, 2015 (12 min)
The Gift
Episode: 4x09 | Airdate: Sep 3, 2015 (12 min)
The Parking
Episode: 4x10 | Airdate: Sep 4, 2015 (15 min)
The Routine
Episode: 4x11 | Airdate: Oct 5, 2015 (15 min)
The Upgrade
Episode: 4x12 | Airdate: Oct 6, 2015 (15 min)
The Comic
Episode: 4x13 | Airdate: Oct 7, 2015 (15 min)
Gumball stars in his own comic.
The Romantic
Episode: 4x14 | Airdate: Oct 8, 2015 (15 min)
The Uploads
Episode: 4x15 | Airdate: Oct 9, 2015 (15 min)
The Apprentice
Episode: 4x16 | Airdate: Dec 4, 2015 (15 min)
The Hug
Episode: 4x17 | Airdate: Dec 11, 2015 (15 min)
The Wicked
Episode: 4x18 | Airdate: Dec 18, 2015 (15 min)
The Traitor
Episode: 4x19 | Airdate: Jan 28, 2016 (15 min)
Gumball calls Alan a traitor when Gumball thinks Alan lied to get out of having dinner together.
The Origins Part One
Episode: 4x20 | Airdate: Feb 15, 2016 (15 min)
The Origins Part Two
Episode: 4x21 | Airdate: Feb 15, 2016 (15 min)
The Girlfriend
Episode: 4x22 | Airdate: Mar 30, 2016 (15 min)
The Advice
Episode: 4x23 | Airdate: Apr 21, 2016 (15 min)
The Signal
Episode: 4x24 | Airdate: Apr 28, 2016 (15 min)
When Gumball develops a bizarre stutter, he unintentionally offends Darwin.
The Parasite
Episode: 4x25 | Airdate: May 5, 2016 (15 min)
Gumball and Darwin fear that Anais is being taken advantage of by a friend...
The Love
Episode: 4x26 | Airdate: May 12, 2016 (15 min)
The residents of Elmore search for the meaning of love...
The Awkwardness
Episode: 4x27 | Airdate: May 19, 2016 (15 min)
Gumball is walking in the same direction as Hot Dog Guy, and with each step it becomes increasingly awkward.
The Nest
Episode: 4x28 | Airdate: May 26, 2016 (15 min)
The Points
Episode: 4x29 | Airdate: Jun 2, 2016 (15 min)
The Bus
Episode: 4x30 | Airdate: Jun 9, 2016 (15 min)
Gumball and Darwin read Anais' diary and discover her relationship with a new friend is one-sided.
The Night
Episode: 4x31 | Airdate: Jun 16, 2016 (15 min)
The Misunderstandings
Episode: 4x32 | Airdate: Jun 23, 2016 (15 min)
The Roots
Episode: 4x33 | Airdate: Aug 15, 2016 (15 min)
Thinking that he is homesick for the sea, the family try to make Darwin connect with his roots.
The Blame
Episode: 4x34 | Airdate: Aug 16, 2016 (15 min)
The Slap
Episode: 4x35 | Airdate: Aug 17, 2016 (15 min)
The Detective
Episode: 4x36 | Airdate: Aug 18, 2016 (15 min)
The Fury
Episode: 4x37 | Airdate: Aug 19, 2016 (15 min)
The Compilation
Episode: 4x38 | Airdate: Aug 25, 2016 (15 min)
The Disaster (Part 1)
Episode: 4x39 | Airdate: Sep 5, 2016 (15 min)
When Rob purchases a universal remote from the Awesome Store, he discovers can control the entire universe. He rewinds into the past and remembersGumball had left him in The Void, leaving him scarred and in his current mutated shape. He uses the universal remote to destroy Gumball's life, whilst Gumball has to figure out what's going on before he's ejected once and for all.