Year 7 have their first swimming lesson with the notorious Mr McDonnell. Alex is desperate to get out of it, but Tigger can't wait to get in the pool and cause mayhem. Alex finds himself targeted by Mooey and his gang once again, and Alison warns him he must tell someone this time. Alex takes on board her advice, but decides it's time he stuck up for himself. Annie's determined to make her mother pay and activates her forged credit card. She tells Tanya her mum's having a baby, but Tanya's only concern is that Bassinger's banned her from the exchange. Tanya's even more devastated when Jean emails to say he won't be coming to Grange Hill - he's dropped out the exchange, in support of her. All seems lost until Jean tells her he's coming to England, to meet her in secret! Togger and Andy train for the impending charity bike ride, Togger's determined to come first despite constant reminders that it's not a race. His training regime results in Andy getting more than a little saddle sore!