- "The Helmet": Gumball mixes chemicals into an ant farm, causing an explosion and prompting the ants to attack him here.
- "The Skull": When Clayton mixes some chemicals in a beaker, a crystal forms, allowing him, Darwin and Gumball to fly.
- "The Virus": Gumball, Darwin, and Teri are analyzing the Virus via a microscope.
- "The Sidekick": Briefly appears during Tobias' montage of apologies/excuses for not returning Gumball's game.
- "The Boombox": The Eggheads and Tobias are seen mixing some glowing chemicals.
- "The Recipe": Anton gets burned by chemicals.
- "The Burden": Chris Morris blows it up using natural gas in order to avoid Gumball and Darwin.
- "The Romantic": Penny accidentally creates a monster here.
- "The Points": Gumball and Darwin cause an explosion here.
- "The Matchmaker": Carrie brews a love potion in the lab.
- "The Best": Gumball and Carmen are mixing chemicals here.
- "The Cringe": Hot Dog Guy pours some chemicals, struggling to hold in his need to go to the bathroom.
- "The Inquisition"
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