Derek and Casey are back and continue their hilarious sibling rivalry during a family vacation to visit their grandmother at her beautiful lake front lodge. Things heat up with Casey when she ...

"Our mom really loves roller coasters," Derek recalled. "On our summer vacations, we would hop in the van, and we would go driving around to different theme parks." "(Our dad) didn't love them as ...

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.