Teletubbies - a big money-spinner for BBC

Both programmes have achieved huge worldwide success.

The Teletubbies, which were launched in 1997, have made more than �1 billion in merchandising in 120 countries.

Tweenies, which came onto the scene two years later, are aimed at an older audience and have so far been sold to 25 countries.

Other BBC success stories in the running include Smart, the art show presented by Mark Speight and Kirstin O'Brien, which faces stiff competition from SM:TV Live - ITV's popular Saturday morning show - in the Entertainment category.

Ant and Dec have proved a winning pair on ITV

A Newsround Extra on Russian orphanages is among the nominees in the Factual category, which includes C4's Wise Up and BBC's Short Change.

Hero to Zero, the football drama featuring teenage striker Michael Owen goes up against the Sunday tea-time drama Magician's House with Ian Richardson.

Also in the running for the drama award is Pig Heart Boy, adapted from a novel by award-winning children's writer Malorie Blackman. It tells the story of a 13-year-old who undergoes an animal heart transplant.

Three special awards for writing, presenting and outstanding long-term contribution to children's film and television will also be announced at the star-studded ceremony.