- "The Painting": It makes its official debut in this episode where Mr. Small counsels Gumball and Darwin.
- "The Secret": It appears on a video thumbnail.
- "The Sidekick": It appears during Tobias' montage of excuses.
- "The Photo": Tina can be seen trying out for cheerleading here.
- "The Uploads": It makes a brief cameo in a video.
- "The Sorcerer": Gumball presents his art projects there.
- In season 1 the room's walls are barren, but in later seasons they are adorned with posters.
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