Life with Derek television sitcom that aired on Family (English) and VRAK.TV (French) 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.Reruns aired on Family Channel and multiplex sister channel Family Chrgd until September 2016.The series stars Michael Seater and Ashley Leggat as the two oldest children in a stepfamily.It ended having aired 70 episodes, and was followed by one spin-off television film, entitled Vacation with Derek, which was filmed in northern Ontario in fall 2009, George Venturi (John Ralston), a divorced man from London, Ontario who had custody of his three children from a previous marriage: sons Derek (Michael Seater) and Edwin (Daniel Magder), and daughter Marti (Ariel Waller), marries a divorced woman named Nora Mc Donald (Joy Tanner), who has two daughters of her own from a previous marriage: Casey (Ashley Leggat) and Lizzie (Jordan Todosey).
Casey was originally upset about having to move to London, Ontario from Toronto, a much bigger city (as shown in the episode "How I Met Your Stepbrother"), for many reasons including Derek, but she eventually got over her own problems and agreed to move there for Nora and George's sake once she saw how much they cared for each other.
Life with Derek and another Canadian sitcom, Naturally, Sadie, were both added to Disney Channel in the United States in 2005.
In May 2007, Naturally, Sadie was pulled from the channel, but Life with Derek was left on.
Though many episodes were originally broadcast on Family in Canada, Disney often advertised the episodes as being new episodes (though they were only first-run broadcasts in the United States).
Life with Derek has not aired on the Disney Channel since January 2, 2010, but reruns continued to air on Family, Family CHRGD until September 2016, and VRAK.