

Season 4 • Episode 18
LatestA worrisome Casey is having difficulty writing her valedictorian speech for graduation. Meanwhile, Edwin is concerned that he won't be able to live up to Derek's reputation at J.S. Thompson High when he goes there in the fall.
Life with Derek is a Canadian television sitcom that aired on Family and VRAK.TV in Canada and on Disney Channel in the United States. The series premiered on Family on September 18, 2005, and ran for four seasons, ending its run on March 25, 2009. The series starred Michael Seater and Ashley Leggat as the two oldest children in a stepfamily. It ended with 70 episodes and one spin-off television film, entitled Vacation with Derek.
Acting
Michael Seater and Ashley Leggat's volcanic chemistry that launched a thousand fanfics.
Writing
Sibling banter so sharp it accidentally created a shipping phenomenon.
Trivia, insights & behind the scenes
Life with Derek accidentally pioneered the 'step-sibling romance' discourse on early Tumblr, with fans analyzing every glance between Derek and Casey for years after cancellation.
The cast reunited in 2022 for a podcast where they finally acknowledged the romantic tension was intentional subtext, confirming what shippers suspected for fifteen years.