S05E23: The Grades
When a failed test grade brings down Gumball’s grade point average, he is forced to return to kindergarten.
Previous Episode 
Season 1
The DVD
S1E1 / 03 May 2011
The Responsible
S1E2 / 09 May 2011
The Third
S1E3 / 16 May 2011
The Debt
S1E4 / 16 May 2011
The End
S1E5 / 23 May 2011
The Dress
S1E6 / 23 May 2011
The Quest
S1E7 / 30 May 2011
The Spoon
S1E8 / 30 May 2011
The Pressure
S1E9 / 06 Jun 2011
The Painting
S1E10 / 13 Jun 2011
The Laziest
S1E11 / 20 Jun 2011
The Ghost
S1E12 / 27 Jun 2011
The Mystery
S1E13 / 11 Jul 2011
The Prank
S1E14 / 18 Jul 2011
The Gi
S1E15 / 25 Jul 2011
The Kiss
S1E16 / 01 Aug 2011
The Party
S1E17 / 08 Aug 2011
The Refund
S1E18 / 15 Aug 2011
The Robot
S1E19 / 22 Aug 2011
The Picnic
S1E20 / 29 Aug 2011
The Goons
S1E21 / 05 Sep 2011
The Secret
S1E22 / 26 Sep 2011
The Sock
S1E23 / 03 Oct 2011
The Genius
S1E24 / 10 Oct 2011
The Poltergeist
S1E25 / 17 Oct 2011
The Mustache
S1E26 / 21 Nov 2011
The Date
S1E27 / 28 Nov 2011
The Club
S1E28 / 05 Dec 2011
The Wand
S1E29 / 24 Jan 2012
The Ape
S1E30 / 31 Jan 2012
The Car
S1E31 / 07 Feb 2012
The Curse
S1E32 / 14 Feb 2012
The Microwave
S1E33 / 21 Feb 2012
The Meddler
S1E34 / 28 Feb 2012
The Helmet
S1E35 / 06 Mar 2012
The Fight
S1E36 / 13 Mar 2012
Season 2
The Remote
S2E1 / 07 Aug 2012
The Colossus
S2E2 / 14 Aug 2012
The Knights
S2E3 / 21 Aug 2012
The Fridge
S2E4 / 04 Sep 2012
The Flower
S2E5 / 11 Sep 2012
The Banana
S2E6 / 11 Sep 2012
The Phone
S2E7 / 18 Sep 2012
The Job
S2E8 / 18 Sep 2012
Halloween
S2E9 / 23 Oct 2012
The Treasure
S2E10 / 30 Oct 2012
The Apology
S2E11 / 06 Nov 2012
The Words
S2E12 / 13 Nov 2012
The Skull
S2E13 / 20 Nov 2012
The Bet
S2E14 / 27 Nov 2012
Christmas
S2E15 / 04 Dec 2012
The Watch
S2E16 / 22 Jan 2013
The Bumpkin
S2E17 / 29 Jan 2013
The Flakers
S2E18 / 05 Feb 2013
The Authority
S2E19 / 12 Feb 2013
The Virus
S2E20 / 05 Jun 2013
The Pony
S2E21 / 12 Jun 2013
The Hero
S2E22 / 19 Jun 2013
The Dream
S2E23 / 26 Jun 2013
The Sidekick
S2E24 / 03 Jul 2013
The Photo
S2E25 / 17 Jul 2013
The Tag
S2E26 / 24 Jul 2013
The Storm
S2E27 / 31 Jul 2013
The Lesson
S2E28 / 07 Aug 2013
The Game
S2E29 / 21 Aug 2013
The Limit
S2E30 / 28 Aug 2013
The Voice
S2E31 / 10 Sep 2013
The Promise
S2E32 / 17 Sep 2013
The Castle
S2E33 / 01 Oct 2013
The Boombox
S2E34 / 08 Oct 2013
The Tape
S2E35 / 15 Oct 2013
The Sweaters
S2E36 / 05 Nov 2013
The Internet
S2E37 / 12 Nov 2013
The Plan
S2E38 / 19 Nov 2013
The World
S2E39 / 26 Nov 2013
The Finale
S2E40 / 03 Dec 2013
Season 3
The Kids
S3E1 / 05 Jun 2014
The Fan
S3E2 / 05 Jun 2014
The Coach
S3E3 / 12 Jun 2014
The Joy
S3E4 / 19 Jun 2014
The Puppy
S3E5 / 26 Jun 2014
The Recipe
S3E6 / 03 Jul 2014
The Name
S3E7 / 10 Jul 2014
The Extras
S3E8 / 17 Jul 2014
The Gripes
S3E9 / 24 Jul 2014
The Vacation
S3E10 / 31 Jul 2014
The Fraud
S3E11 / 07 Aug 2014
The Void
S3E12 / 14 Aug 2014
The Boss
S3E13 / 21 Aug 2014
The Move
S3E14 / 28 Aug 2014
The Law
S3E15 / 04 Sep 2014
The Allergy
S3E16 / 11 Sep 2014
The Mothers
S3E17 / 18 Sep 2014
The Password
S3E18 / 25 Sep 2014
The Procrastinators
S3E19 / 02 Oct 2014
The Shell
S3E20 / 09 Oct 2014
The Burden
S3E21 / 16 Oct 2014
The Bros
S3E22 / 23 Oct 2014
The Mirror
S3E23 / 30 Oct 2014
The Man
S3E24 / 30 Oct 2014
The Pizza
S3E25 / 13 Nov 2014
The Lie
S3E26 / 20 Nov 2014
The Butterfly
S3E27 / 08 Jan 2015
The Question
S3E28 / 08 Jan 2015
The Saint
S3E29 / 15 Jan 2015
The Friend
S3E30 / 22 Jan 2015
The Oracle
S3E31 / 29 Jan 2015
The Safety
S3E32 / 05 Feb 2015
The Society
S3E33 / 12 Feb 2015
The Spoiler
S3E34 / 19 Feb 2015
The Countdown
S3E35 / 26 Feb 2015
The Nobody
S3E36 / 05 Mar 2015
The Downer
S3E37 / 05 Apr 2015
The Egg
S3E38 / 05 Apr 2015
The Triangle
S3E39 / 12 Apr 2015
The Money
S3E40 / 12 Apr 2015
Season 4
The Return
S4E1 / 07 Jul 2015
The Nemesis
S4E2 / 10 Jul 2015
The Crew
S4E3 / 13 Aug 2015
The Others
S4E4 / 20 Aug 2015
The Signature
S4E5 / 27 Aug 2015
The Check
S4E6 / 31 Aug 2015
The Pest
S4E7 / 01 Sep 2015
The Sale
S4E8 / 02 Sep 2015
The Gift
S4E9 / 03 Sep 2015
The Parking
S4E10 / 04 Sep 2015
The Routine
S4E11 / 05 Oct 2015
The Upgrade
S4E12 / 06 Oct 2015
The Comic
S4E13 / 07 Oct 2015
The Romantic
S4E14 / 08 Oct 2015
The Uploads
S4E15 / 09 Oct 2015
The Apprentice
S4E16 / 07 Jan 2016
The Hug
S4E17 / 14 Jan 2016
The Wicked
S4E18 / 21 Jan 2016
The Traitor
S4E19 / 28 Jan 2016
The Origins (1)
S4E20 / 15 Feb 2016
The Origins (2)
S4E21 / 15 Feb 2016
The Girlfriend
S4E22 / 31 Mar 2016
The Advice
S4E23 / 21 Apr 2016
The Signal
S4E24 / 28 Apr 2016
The Parasite
S4E25 / 05 May 2016
The Love
S4E26 / 12 May 2016
The Awkwardness
S4E27 / 19 May 2016
The Nest
S4E28 / 26 May 2016
The Points
S4E29 / 02 Jun 2016
The Bus
S4E30 / 09 Jun 2016
The Night
S4E31 / 16 Jun 2016
The Misunderstandings
S4E32 / 23 Jun 2016
The Roots
S4E33 / 15 Aug 2016
The Blame
S4E34 / 16 Aug 2016
The Slap
S4E35 / 17 Aug 2016
The Detective
S4E36 / 18 Aug 2016
The Fury
S4E37 / 19 Aug 2016
The Compilation
S4E38 / 25 Aug 2016
The Scam
S4E39 / 27 Oct 2016
The Disaster
S4E40 / 05 Sep 2016
Season 5
The Stories
S5E1 / 01 Sep 2016
The Re-Run
S5E2 / 05 Sep 2016
The Guy
S5E3 / 08 Sep 2016
The Boredom
S5E4 / 15 Sep 2016
The Vision
S5E5 / 06 Oct 2016
The Choices
S5E6 / 13 Oct 2016
The Code
S5E7 / 20 Oct 2016
The Test
S5E8 / 03 Nov 2016
The Slide
S5E9 / 10 Nov 2016
The Loophole
S5E10 / 17 Nov 2016
The Potato
S5E11 / 06 Feb 2017
The Fuss
S5E12 / 07 Feb 2017
The Copycats
S5E13 / 08 Feb 2017
The Outside
S5E14 / 09 Feb 2017
The Vase
S5E15 / 13 Feb 2017
The Matchmaker
S5E16 / 14 Feb 2017
The Box
S5E17 / 15 Feb 2017
The Console
S5E18 / 16 Feb 2017
The Ollie
S5E19 / 20 Feb 2017
The Catfish
S5E20 / 21 Feb 2017
The Cycle
S5E21 / 22 Feb 2017
The Stars
S5E22 / 23 Feb 2017
The Grades
S5E23 / 27 Feb 2017
The Diet
S5E24 / 28 Feb 2017
The Ex
S5E25 / 01 Mar 2017
The Sorcerer
S5E26 / 02 Mar 2017
The Menu
S5E27 / 06 Mar 2017
The Uncle
S5E28 / 07 Mar 2017
The Weirdo
S5E29 / 08 Mar 2017
The Heist
S5E30 / 09 Mar 2017
The Singing
S5E31 / 01 Sep 2017
The Best
S5E32 / 08 Sep 2017
The Worst
S5E33 / 15 Sep 2017
The Deal
S5E34 / 22 Sep 2017
The Petals
S5E35 / 29 Sep 2017
The Puppets
S5E36 / 06 Oct 2017
The Nuisance
S5E37 / 13 Oct 2017
The Line
S5E38 / 20 Oct 2017
The List
S5E39 / 03 Nov 2017
The News
S5E40 / 10 Nov 2017
Season 6
The Rival
S6E1 / 05 Jan 2018
The Lady
S6E2 / 05 Jan 2018
The Sucker
S6E3 / 12 Jan 2018
The Vegging
S6E4 / 15 Jan 2018
The One
S6E5 / 19 Jan 2018
The Father
S6E6 / 26 Jan 2018
The Cringe
S6E7 / 02 Feb 2018
The Cage
S6E8 / 09 Feb 2018
The Faith
S6E9 / 23 Feb 2018
The Candidate
S6E10 / 02 Mar 2018
The Anybody
S6E11 / 09 Mar 2018
The Pact
S6E12 / 09 Apr 2018
The Neighbor
S6E13 / 13 Apr 2018
The Shippening
S6E14 / 20 Apr 2018
The Brain
S6E15 / 18 Jun 2018
The Parents
S6E16 / 18 Jun 2018
The Founder
S6E17 / 18 Jun 2018
The Schooling
S6E18 / 18 Jun 2018
The Intelligence
S6E19 / 18 Jun 2018
The Potion
S6E20 / 16 Jul 2018
The Spinoffs
S6E21 / 16 Jul 2018
The Transformation
S6E22 / 16 Jul 2018
The Understanding
S6E23 / 16 Jul 2018
The Ad
S6E24 / 16 Jul 2018
The Ghouls
S6E25 / 19 Oct 2018
The Stink
S6E26 / 05 Nov 2018
The Awareness
S6E27 / 06 Nov 2018
The Slip
S6E28 / 07 Nov 2018
The Drama
S6E29 / 08 Nov 2018
The Buddy
S6E30 / 09 Nov 2018
The Possession
S6E31 / 15 Apr 2019
The Master
S6E32 / 22 Apr 2019
The Silence
S6E33 / 29 Apr 2019
The Future
S6E34 / 06 May 2019
The Wish
S6E35 / 13 May 2019
The Factory
S6E36 / 20 May 2019
The Agent
S6E37 / 27 May 2019
The Web
S6E38 / 03 Jun 2019
The Mess
S6E39 / 10 Jun 2019
The Heart
S6E40 / 10 Jun 2019
The Revolt
S6E41 / 17 Jun 2019
The Decisions
S6E42 / 17 Jun 2019
The BFFs
S6E43 / 24 Jun 2019
The Inquisition
S6E44 / 24 Jun 2019
Nicolas Cantu
Gumball Watterson (voice)
Kyla Kowalewski
Anais Watterson (voice)
Donielle T. Hansley Jr.
Darwin Watterson (voice)
Christian J. Simon
Darwin Watterson (voice)
Teresa Gallagher
Nicole Watterson / Penny Fitzgerald / Teri / Mrs. Robinson (voice)
Dan Russell
Richard Watterson / Patrick Fitzgerald (voice)
