1975, a colour pilot was made; with only Peter Jones reprising his role; this pilot featured a young Tony Robinson (replacing Reg Varney), Gaye Brown (briefly replacing Karlin), Jumoke Debayo, Diane Langton, Annabel Leventon, Jamila Massey, Mollie Maureen (replacing Esma Cannon) and Trixie Scales.

The theme tune for this colour pilot was performed