Season 1

Season 1 of Rainbow premiered on October 16, 1972

Season 2

Season 2 of Rainbow premiered on April 16, 1973

Roy Skelton joins the cast as the voice of Zippy and George.

Season 3

Season 3 of Rainbow premiered on March 4, 1974

The first Season with the Best known presenter of the show Geoffrey Hayes, and the more familiar characterisation of Bungle.

Season 4

Season 4 of Rainbow premiered on September 16, 1974

A new group of singers, husband and wife team Rod and Jane join the cast along with Matthew Corbett.

Season 5

Season 5 of Rainbow premiered on September 8, 1975

Season 6

Season 6 of Rainbow premiered on November 2, 1976

Season 7

Season 7 of Rainbow premiered on December 26, 1977

Roger Walker replaces Matthew Corbett who leaves the show to continue presenting 'The Sooty Show' for his father.

Season 8

Season 8 of Rainbow premiered on October 2, 1978

Season 9

Season 9 of Rainbow premiered on October 26, 1979

Season 10

Season 10 of Rainbow premiered on October 16, 1980

Freddy Marks replaces Roger Walker, creating the best remembered line up of the "Rainbow" Singers 'Rod, Jane and Freddy'.

Season 11

Season 11 of Rainbow premiered on October 12, 1981

Season 12

Season 12 of Rainbow premiered on January 4, 1982

Season 13

Season 13 of Rainbow premiered on January 7, 1983

Season 14

Season 14 of Rainbow premiered on August 5, 1983

Season 15

Season 15 of Rainbow premiered on January 6, 1984

Season 16

Season 16 of Rainbow premiered on August 3, 1984

Season 17

Season 17 of Rainbow premiered on August 2, 1985

Season 18

Season 18 of Rainbow premiered on August 1, 1986

Season 19

Season 19 of Rainbow premiered on September 4, 1987

Season 20

Season 20 of Rainbow premiered on January 5, 1988

Season 21

Season 21 of Rainbow premiered on September 8, 1989

Season 22

Season 22 of Rainbow premiered on August 31, 1990

Season 23

Season 23 of Rainbow premiered on September 13, 1991