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Appearances
Life with Derek
Main cast, played by Ashley Leggat
- Episode 1x01: The Room (Sep 18, 2005)
- Episode 1x02: The Fall (Sep 25, 2005)
- Episode 1x03: The Party (Oct 2, 2005)
- Episode 1x04: Puppy Dog Tails (Oct 16, 2005)
- Episode 1x05: Grade-Point: Average (Oct 23, 2005)
- Episode 1x06: The Wedding (Oct 30, 2005)
- Episode 1x07: The Poxfather (Nov 6, 2005)
- Episode 1x08: House of Games (Nov 13, 2005)
- Episode 1x09: Marti the Monster (Dec 4, 2005)
- Episode 1x10: Sweet Misery (Dec 11, 2005)
- Episode 1x11: Babe Raider (Dec 18, 2005)
- Episode 1x12: All Systems No Go (Jan 15, 2006)
- Episode 1x13: Male Code Blue (Jan 22, 2006)
- Episode 2x01: Date with Derek (Jul 1, 2006)
- Episode 2x02: He Shoots, She Scores (Jul 29, 2006)
- Episode 2x03: Middle Manic (Sep 22, 2006)
- Episode 2x04: Venturian Candidate (Sep 29, 2006)
- Episode 2x05: Battle of the Bands (Oct 6, 2006)
- Episode 2x06: Lies My Brother Told Me (Oct 13, 2006)
- Episode 2x07: Crushin' the Coach (Oct 20, 2006)
- Episode 2x08: Prank Wars (Oct 27, 2006)
- Episode 2x09: Freaked Out Friday (Nov 3, 2006)
- Episode 2x10: The Bet (Nov 9, 2006)
- Episode 2x11: Mice and Men (Dec 1, 2006)
- Episode 2x12: Dinner Guest (Dec 8, 2006)
- Episode 2x13: Dating Game (Dec 15, 2006)
- Episode 3x01: Two Timing Derek (May 11, 2007)
- Episode 3x02: It's Our Party (May 18, 2007)
- Episode 3x03: Misadventures in Babysitting (May 31, 2007)
- Episode 3x04: Slacker Mom (Jun 23, 2007)
- Episode 3x05: Power Failure (Jul 7, 2007)
- Episode 3x06: Don't Take a Tip from Me (Jul 21, 2007)
- Episode 3x07: The Bully Brothers (Jul 28, 2007)
- Episode 3x08: Home Movies (Aug 5, 2007)
- Episode 3x09: Show-Off-Tune (Aug 11, 2007)
- Episode 3x10: Summer School Blues (Aug 26, 2007)
- Episode 3x11: Grade A Cheater (Sep 11, 2007)
- Episode 3x12: Adios Derek (Sep 25, 2007)
- Episode 3x13: Fright Night (Oct 15, 2007)
- Episode 3x14: Sixteen Sparkplugs (Nov 5, 2007)
- Episode 3x15: When Derek Met Sally (Nov 26, 2007)
- Episode 3x16: A Very Derekus Christmas (Dec 3, 2007)
- Episode 3x17: Ivanwho? (Jan 7, 2008)
- Episode 3x18: Rumor Mill (Feb 11, 2008)
- Episode 3x19: Derek Un-Done (Mar 3, 2008)
- Episode 3x20: Not So Sweet 16 (Apr 7, 2008)
- Episode 3x21: Driving Lessons (Apr 19, 2008)
- Episode 3x22: Make No Prom-ises (May 19, 2008)
- Episode 3x23: Cheerleader Casey (Jun 2, 2008)
- Episode 3x24: Allergy Season (Jun 16, 2008)
- Episode 3x25: Things That Go Bump in the Night (Jun 29, 2008)
- Episode 3x26: Derek's School of Dating (Jul 5, 2008)
- Episode 4x01: Two Kisses, One Party (Jul 19, 2008)
- Episode 4x02: Open Mic Plight (Jul 27, 2008)
- Episode 4x03: Just Friends (Aug 12, 2008)
- Episode 4x04: March Break (Aug 26, 2008)
- Episode 4x05: 6 1/2 (Sep 12, 2008)
- Episode 4x06: Derek Denies Denial (Sep 23, 2008)
- Episode 4x07: Happy New Schoolyear (Oct 7, 2008)
- Episode 4x08: No Secrets (Oct 21, 2008)
- Episode 4x09: Take a Stepkid to Work (Nov 4, 2008)
- Episode 4x10: No More Games (Nov 18, 2008)
- Episode 4x11: How I Met Your Stepbro (Dec 2, 2008)
- Episode 4x12: Casey & Ralph?! (Dec 16, 2008)
- Episode 4x13: Tuesday Afternoon Fever (Dec 30, 2008)
- Episode 4x14: Teddy's Back (Mar 4, 2009)
- Episode 4x15: Rude Awakenings (Mar 11, 2009)
- Episode 4x16: Truman's Last Chance (Mar 18, 2009)
- Episode 4x17: Surprise! (Mar 25, 2009)
- Episode 4x18: Futuritis (Mar 25, 2009)