The last eight are just one step away from the grand final. But for two young contestants, it will be one word to far. Semi-final of the tense spelling contest.

With a spot in the semi-finals at stake, a tense, out-of-this world challenge tests the 10 spellers. Then, it's fingers on buzzers in Show and Spell. Who will be heading home?

The 12 remaining contestants go head to head in the gruelling Speed Spell challenge. Who will live to spell another week and who will be heading home?

The remaining 14 contestants need to be fast, accurate and fearless if they are to survive the Word Duel. Which young spellers will hold their nerve?

The 16 remaining contestants go wild in a jungle themed challenge, battling it out in a game of quick reactions and accurate spelling. Sue Perkins hosts.

The kids compete in Spell Check: a team game that requires focus, speed and determination. Who can cope with the pressure and who will be heading home?

Join Sue Perkins, Joe Lycett and Moira Stuart as the country's brightest young spellers battle it out in a series of word-related games and challenges.