Flashback is a minor character who appeared in Birthday Girl Down. He was at Henry Hart's house with Charlotte, Jasper, and Henry, and was invited by Henry to come over to his house for the first time. He and his friends were studying the Periodic Table, using their PearPads. Later, he would retell the story of Debbie's disastrous birthday one year ago in a flashback sequence, hence his name.
- Flashback is one of the show's most minor characters, having only received a few minutes of screen time. Even lesser-known characters like Carlos have more screen time.