The Teletubbies count to four - four Teletubbies, four flowers, four pieces of Tubbytoast. In "Tummy Tales" two sisters help their dad to put a number four on their front door.

Tinky Winky's bag fills up with sparkles from a tap and when the house overflows with custard, Po has to turn the tubby custard machine off. A child in "Tummy Tales" uses a new tap in the bathroom when brushing her teeth before bedtime.