Donna finds Gaz's mobile ringing on Janet's table. Janet appears flustered but claims Gaz needed to talk about Donna. Donna feels guilty, believing she's neglected him. When the coast is clear, Gaz emerges, feeling guilty about Janet.

Donna finds Gaz's mobile ringing on Janet's table. Janet appears flustered but claims Gaz needed to talk about Donna. Donna feels guilty, believing she's neglected him. When the coast is clear, Gaz emerges, feeling guilty about Janet.

Louise will miss out on a graduation ball so Kate suggests Louise have her own party - giving Kate and Jonny somewhere to have shag. Donna apologises to Gaz for being distant and offers sex. Gaz recoils.

Janet is frantically cleaning her house when Louise suggests the remedy to her heartbreak is to hold a party. Janet agrees. Gaz discovers Kate and Jonny in his porn cupboard just as Donna arrives to her special lunch, upset that she's been given more work at the factory and, therefore, less time for her essay. Gaz offers to do the essay.

Donna tackles Janet over Gaz. Janet confesses to trying it on with him but being refused. Louise is thrilled with her party dress. Gaz is stuck on Donna's essay. Munch is shocked that Grease isn't a documentary.

Jonny returns a bowl to Janet and she confesses to having slept with someone. They accidentally kiss. In the pub, Donna tells Gaz he's been talking about Janet in his sleep. Donna goes to the party. Gaz stays to finish the essay.

Jonny tells Gaz he'll kill the man who slept with Janet. Janet opens her door to Jonny and Kate rubbing noses and feels miserable. Donna gives her a pep talk. Louise is devastated to see Kate in the same dress as hers. Gaz arrives with his competed essay and is relieved to learn Janet didn't tell Donna the truth.

Kate asks Janet if she and Jonny can stay the night in her bed. Louise returns to the party in Janet's wedding dress. Kate leads Jonny up to the bedroom, Louise holds court with the boys at the party, Gaz and Donna kiss and Janet is left to tuck into a Pot Noodle.