Tweenies is a British live action children's television programme, originally broadcast on the BBC's CBBC programming block.
The series first aired on 6 September 1999 and finished on 24 July 2002. When CBeebies was launched on 11 February 2002, it became the new children's programming block for Tweenies to be shown on .
The programme is set in a nursery attended by the four Tweenies themselves: Milo, Jake, Bella and Fizz. They are supplemented by two adults, Max and Judy, and two dogs, Doodles and Izzles.