3x3 - Two Pints of Lager and a Packet of Crisps

After a bit of thought and advice from her mum, and Janet, Donna decides that she should try something new with Gaz, but she doesn't realise he's gonna bring Munch home with him! Jonny realises he'll have to ask Janet's dad's permission to marry Janet, and David and Louise don't get off to a very good start in their relationship.