Series 1
6 episodes transmitted between 30 Apr 69 and 18 Jun 69
Series 2
6 episodes transmitted between 10 Sep 69 and 19 Nov 69
Series 3
4 episodes transmitted between 16 Aug 71 and 6 Sep 71
Series 4
6 episodes transmitted between 13 Jan 72 and 17 Feb 72
Series 5
7 episodes transmitted between 29 Jul 72 and 9 Sep 72
Series 6
6 episodes transmitted between 30 Oct 72 and 4 Dec 72
Series 7
7 episodes transmitted between 28 Jul 73 and 8 Sep 73
Special
That's Christmas Sez Les! (26 Dec 73)
Series 8
7 episodes transmitted between 25 Jan 74 and 8 Mar 74
Series 9
7 episodes transmitted between 28 Jun 74 and 9 Aug 74
Special
Sez Les Special (2 Jan 76)
Series 10
3 episodes transmitted between 25 Feb 76 and 10 Mar 76
Series 11
7 episodes transmitted between 19 Oct 76 and 30 Nov 76