For this week's costume party, Tom is off to help warm the house of his friends Marko and Rosie.

Tom needs to lay down the law and explain his four golden rules of Fancy Dress. Listen carefully, fancy dress might seem like a bit of fun to you but for Tom it's something altogether more serious. But still fun.

For this week's costume party, Tom is off to help warm the house of his friends Marko and Rosie. Tom wants to make sure that he has the best costume and looks good in front of Jill, a girl he's recently been "chirpsing", but Tom's cousin and fancy dress nemesis, Gagsy, is on hand to make sure that things don't run smoothly.