Harold and George's crazy creation is back - in an adventure that's WEDGIER than ever! He defeated the diabolical Dr Nappy... He terminated the terrible talking toilets... But is Captain Underpants ready to take on three massive, tentacled space aliens (in disguise)?
Read Captain Underpants and the Invasion of the Incredibly Naughty Cafeteria Ladies from Outer Space free for 7 days. £7.99/month after — less than a paperback.








A library hand-picked by an English teacher, delivered through a calm, ad-free app. If your child already loves reading, we keep up.
7-day free trial. Then £7.99/month.
© Copyright 2026 Readingmate Ltd