Think of a Number
1978– 19845 Seasons30 Episodes★7.7(3 votes)
FamilyKids
Overview
A light-hearted exploration of maths and science, presented by Johnny Ball.
Seasons (5).
S1
Series 1
6 Episodes
S2
Series 2
6 Episodes
S3
Series 3
6 Episodes
S4
Series 4
6 Episodes
S5
Series 5
6 Episodes
Cast.
Johnny Ball