There's something Billy Bonkers doesn't want you to know: he has to wear his sister's underpants! And whether Billy's flying round a go-kart track, chasing...
There's a secret prankster wreaking havoc all around town and all fingers are pointing at Billy. Who else would set cold porridge bomb traps, stuff bananas...
Meet Billy. He's Bonkers! The Christmas celebrations have begun! But when Billy gets trapped by a snowman, weed on by a puppy and burped on by his relatives...