A screening of 3 new episodes was hosted by Dick and Dom in a BAFTA Kids preview at the Princess Anne Royal Theatre, London on 17 November 2018.
Another screening of 3 new episodes took place in a BFI Funday TV Preview on 17 February 2019.
Peter narrates Henry's trip to the "Brain Box of the Year" competition.
Henry is chosen as one of the entries for the Brainbox of the Year competition, Peter stays with Great-Aunt Greta, while Mum and Dad go on a Great Escape out of Ashton.
When Mum goes out of the house, Henry takes advantage of his babysitter Mad Martin's obliviousness and watches the Gross Class Zero marathon.