Robbie Amell laughed off that viral fan theory about Disney Channel’s Life With Derek — and Us Weekly cannot stop talking about it. “That’s not what it’s actually about,” he hit back in jest. “That’s ...

Fifteen-year-old Derek (Michael Seater) is unhappy about his dad's remarriage, mostly because it means he now has to deal with two stepsisters, the older of whom has her heart set on taking over Derek ...