Gaylord Robinson/Appearances

Season 1

 * "The Debt": His debut and first major role. Mr. Robinson supposedly saves Gumball's life, which convinces Gumball that he must repay his debt. He sings the first song of the series— "I Wanna Be Free"— in this episode.
 * "The Painting": (pictured)
 * "The Goons": Darwin throws Anais' notepad on his windshield, obscuring his vision and causing him to crash his car into a fire hydrant.
 * "The Genius": (mentioned)
 * "The Poltergeist": His second major role. Mrs. Robinson, frustrated at the fact that she and Mr. Robinson haven't been arguing lately, kicks him out. Gumball hides him in the Wattersons' attic, where he and Darwin help him win back Mrs. Robinson's love.
 * "The Wand": Mr. Robinson appears in Richard's flashback. He also appears later on, and criticizes/makes fun of Richard when he wishes for the temperature to go down.
 * "The Car": His third major role. He is constantly pestered by Gumball and Darwin, rages at the Wattersons for wrecking his car and gets arrested along with his wife.

Season 2

 * "The Colossus": Hector destroys his house, but he is too busy reading the newspaper to notice.
 * "The Job": He gets thrown into the air by one of Richard's reality-distorting waves.
 * "Halloween": He faints when he hears a moose head speaking, which is actually possessed by ghost Gumball and Darwin.
 * "The Apology": The Senior Talent Show picture with him in it can briefly be seen.
 * "Christmas": He and his wife appear in the "Christmas is Cancelled" number. They also appear at the end along with the rest of the residents of Elmore.
 * "The Virus": A laser beam from Gumball's microwave burns his turkey.
 * "The Tag": His fourth major role. He and Richard are having a trash can feud, so he starts pulling tricks on Richard.

Season 3

 * "The Fraud": The same painting of him in a powdered wig is seen in Miss Simian's office.
 * "The Boss": His fifth major role. He has an accident, losing a lot of stuffing, and is admitted to the hospital. Later on Rocky donates stuffing to him but he blows up.
 * "The Butterfly ": He's seen driving his car around Elmore, purposely angering its citizens until he crashes his car into a lamp post. He later calls the Elmore Help Desk.
 * "The Spoiler": He can be seen in the movie theater with Margaret.
 * "The Nobody": He walks past Gumball and Darwin as they try to assign Rob a purpose in the world.
 * "The Downer" (mentioned)
 * "The Money": He gets hit by the bus that Rocky is driving.

Season 4

 * "The Return": He is trimming bushes outside his house.
 * "The Crew": He and his wife try to get the senior citizens out of their house.
 * "The Others": A painting of him wearing a powdered wig can be seen in Mr. Corneille's office.
 * "The Sale": His sixth major role. He tries to sell his house.
 * "The Routine": He and his wife are outside when Richard drives to the store.
 * "The Wicked": He tells Gumball and Darwin what Margaret is like.
 * "The Love": His seventh major role. One segment is of his and Margaret's married life.
 * "The Nest": He and Margaret try fending off the baby turtles.
 * "The Night": His dream is about a fight with Margaret.
 * "The Disaster": He appears when Rob goes back in time.

Season 5

 * "The Choices": He is mowing his lawn and gets covered in paint by Richard (accidentally).
 * "The Code": He changes the password to his wifi router and the Wattersons lose internet access.
 * "The Slide": He is seen mowing the lawn.
 * "The Box": He tells the Wattersons the truth about what was in the mysterious package.
 * "The Console": Gumball loots his house and he (unwillingly) allows Gumball to take anything.
 * "The Stars": His house is eaten by termites.
 * "The Diet": He is in his car.
 * "The Menu": He is seen fishing and Richard destroys his boat.
 * "The Singing": He sings a verse in "I'm Singing."
 * "The Deal": (mentioned)
 * "The List": (photo)

Season 6

 * "The Neighbor": (mentioned)
 * "The Anybody": He and Margaret get visited by Gumball.
 * "The Shippening": Sarah ships him with Banana Barbara.
 * "The Schooling": He appears on a poster in the gas station.
 * "The Intelligence": He is part of the crowd watching the Donut Cop put his wife on trial.
 * "The Understanding": He burns his marriage certificate.
 * "The Ghouls": He sings "All Hail All Hallow's Eve!."
 * "The Agent": Mrs. Robinson thinks he cut her hair.
 * "The Heart": His eighth major role. His "friendship" with Gumball and Darwin is ruined.
 * "The Revolt": He is attacked by the objects. This is his last appearance on the show.