The Room
Episode: 1x01 | Airdate: Sep 18, 2005
Season 1
The Fall
Episode: 1x02 | Airdate: Sep 25, 2005
The Party
Episode: 1x03 | Airdate: Oct 2, 2005
Puppy Dog Tails
Episode: 1x04 | Airdate: Oct 16, 2005
Grade-Point: Average
Episode: 1x05 | Airdate: Oct 23, 2005
The Wedding
Episode: 1x06 | Airdate: Oct 30, 2005
The Poxfather
Episode: 1x07 | Airdate: Nov 6, 2005
House of Games
Episode: 1x08 | Airdate: Nov 13, 2005
Marti the Monster
Episode: 1x09 | Airdate: Dec 4, 2005
Sweet Misery
Episode: 1x10 | Airdate: Dec 11, 2005
Babe Raider
Episode: 1x11 | Airdate: Dec 18, 2005
All Systems No Go
Episode: 1x12 | Airdate: Jan 15, 2006
Male Code Blue
Episode: 1x13 | Airdate: Jan 22, 2006
Season 2
Date with Derek
Episode: 2x01 | Airdate: Jul 1, 2006
He Shoots, She Scores
Episode: 2x02 | Airdate: Jul 29, 2006
Middle Manic
Episode: 2x03 | Airdate: Sep 22, 2006
Venturian Candidate
Episode: 2x04 | Airdate: Sep 29, 2006
Battle of the Bands
Episode: 2x05 | Airdate: Oct 6, 2006
Lies My Brother Told Me
Episode: 2x06 | Airdate: Oct 13, 2006
Crushin' the Coach
Episode: 2x07 | Airdate: Oct 20, 2006
Prank Wars
Episode: 2x08 | Airdate: Oct 27, 2006
Freaked Out Friday
Episode: 2x09 | Airdate: Nov 3, 2006
The Bet
Episode: 2x10 | Airdate: Nov 9, 2006
Mice and Men
Episode: 2x11 | Airdate: Dec 1, 2006
Dinner Guest
Episode: 2x12 | Airdate: Dec 8, 2006
Dating Game
Episode: 2x13 | Airdate: Dec 15, 2006
Season 3
Two Timing Derek
Episode: 3x01 | Airdate: May 11, 2007
It's Our Party
Episode: 3x02 | Airdate: May 18, 2007
Misadventures in Babysitting
Episode: 3x03 | Airdate: May 31, 2007
Slacker Mom
Episode: 3x04 | Airdate: Jun 23, 2007
Power Failure
Episode: 3x05 | Airdate: Jul 7, 2007
Don't Take a Tip from Me
Episode: 3x06 | Airdate: Jul 21, 2007
The Bully Brothers
Episode: 3x07 | Airdate: Jul 28, 2007
Home Movies
Episode: 3x08 | Airdate: Aug 5, 2007
Show-Off-Tune
Episode: 3x09 | Airdate: Aug 11, 2007
Summer School Blues
Episode: 3x10 | Airdate: Aug 26, 2007
Grade A Cheater
Episode: 3x11 | Airdate: Sep 11, 2007
Adios Derek
Episode: 3x12 | Airdate: Sep 25, 2007
Fright Night
Episode: 3x13 | Airdate: Oct 15, 2007
Sixteen Sparkplugs
Episode: 3x14 | Airdate: Nov 5, 2007
When Derek Met Sally
Episode: 3x15 | Airdate: Nov 26, 2007
A Very Derekus Christmas
Episode: 3x16 | Airdate: Dec 3, 2007
Ivanwho?
Episode: 3x17 | Airdate: Jan 7, 2008
Rumor Mill
Episode: 3x18 | Airdate: Feb 11, 2008
Derek Un-Done
Episode: 3x19 | Airdate: Mar 3, 2008
Not So Sweet 16
Episode: 3x20 | Airdate: Apr 7, 2008
Driving Lessons
Episode: 3x21 | Airdate: Apr 19, 2008
Make No Prom-ises
Episode: 3x22 | Airdate: May 19, 2008
Cheerleader Casey
Episode: 3x23 | Airdate: Jun 2, 2008
Allergy Season
Episode: 3x24 | Airdate: Jun 16, 2008
Things That Go Bump in the Night
Episode: 3x25 | Airdate: Jun 29, 2008
Derek's School of Dating
Episode: 3x26 | Airdate: Jul 5, 2008
Season 4
Two Kisses, One Party
Episode: 4x01 | Airdate: Jul 19, 2008
Open Mic Plight
Episode: 4x02 | Airdate: Jul 27, 2008
Just Friends
Episode: 4x03 | Airdate: Aug 12, 2008
March Break
Episode: 4x04 | Airdate: Aug 26, 2008
6 1/2
Episode: 4x05 | Airdate: Sep 12, 2008
Derek Denies Denial
Episode: 4x06 | Airdate: Sep 23, 2008
Happy New Schoolyear
Episode: 4x07 | Airdate: Oct 7, 2008
No Secrets
Episode: 4x08 | Airdate: Oct 21, 2008
Take a Stepkid to Work
Episode: 4x09 | Airdate: Nov 4, 2008
No More Games
Episode: 4x10 | Airdate: Nov 18, 2008
How I Met Your Stepbro
Episode: 4x11 | Airdate: Dec 2, 2008
Casey & Ralph?!
Episode: 4x12 | Airdate: Dec 16, 2008
Tuesday Afternoon Fever
Episode: 4x13 | Airdate: Dec 30, 2008
Teddy's Back
Episode: 4x14 | Airdate: Mar 4, 2009
Rude Awakenings
Episode: 4x15 | Airdate: Mar 11, 2009
Truman's Last Chance
Episode: 4x16 | Airdate: Mar 18, 2009
Surprise!
Episode: 4x17 | Airdate: Mar 25, 2009
Futuritis
Episode: 4x18 | Airdate: Mar 25, 2009
Vacation With Derek
Episode: S04 Special | Airdate: Jun 25, 2010 (90 min)
Life with Luca
Episode: S04 Special | Airdate: Feb 20, 2023 (90 min)
Casey and Derek take their respective offspring to their parents' house in Canada.