Season 4 aired between 07 Jan 1973 and 09 Dec 1973, 11 episodes.
Episodes
E01
Episode 1
07 Jan 1973
E02
Episode 2
04 Feb 1973
E03
Episode 3
04 Mar 1973
E04
Episode 4
01 Apr 1973
E05
Episode 5
13 May 1973
E06
Episode 6
24 Jun 1973
E07
Kressin and the two jade ladies
08 Jul 1973
E08
Episode 8
19 Aug 1973
E09
Episode 9
30 Sep 1973
E10
Episode 10
11 Nov 1973
E11
Episode 11
09 Dec 1973