Darren/Appearances

Season 1

 * Tennis Kid (debut)

Season 2

 * The Backup Genius
 * The Cool and the Nerd (flashback)
 * Happy Town
 * Email Fail
 * Saving Santa
 * Fishy Business

Season 3

 * Talent Show (non-speaking)
 * Treasure Hunt
 * The Lost Scouts
 * The Substitute Teacher (non-speaking)
 * The Sixth Friend (non-speaking)

Season 4

 * The Secret Life of Ms. Vanthrax (non-speaking)
 * The New CEO
 * Chocolate Battle
 * Basketball Hero
 * Escape: Impossible! (flashback)

Season 5

 * Ginger and the Girl
 * Dude Ranch Showdown: (cameo)
 * The Incredible Super-Fan: (cameo)
 * Tom the Guru: (cameo)
 * Santa's Phone: (pictured)
 * The Brave Sir Ginger: (cameo)
 * Angela's New Look: (cameo)
 * Genius Test: (non-speaking)
 * Talking Roy And Friends