Episode 1. New Neighbours. 0 mins. Biff's eagerness to help her new neighbours causes their keys to fall down the drain. Only Biff, Chip, Kipper and their new friends can get them back and save ...

Biff & Chip will air this autumn on CBeebies and BBC iPlayer. The Magic Key book series featuring the characters was transformed into an animated series in 2000 and broadcast on BBC channels.

In Biff and Chip, children and their families and friends spend time together and come up with ideas through creative play. The deal comprises 25 11-minute episodes.