Based off the TV series, the flick follows Derek (Michael Seater) and Casey (Ashley Leggat) as they continue their hilarious sibling rivalry during a family vacation to visit their grandmother at her beautiful lakefront lodge.
Life with Derek is a Canadian 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 continue to air on Family Channel and multiplex sister channel Family Chrgd.
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 Martie (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).Up until that point, Casey was perfectly content with her life.Growing up as the oldest child in a household in Toronto, Ontario with only her mother and sister had suited her well and brought her up as a self-sufficient and independent young woman.After George and Nora's marriage, the Mc Donalds moved in with the Venturis in London, Ontario.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.