Sezon 4
Bölümler
1 A Fragile Possession 12 Eyl 1972 
2 Love Is When They Say They Need You 19 Eyl 1972 
3 We'll Walk Out of Here Together 26 Eyl 1972 
4 In Sickness and In Health 3 Eki 1972 
5 House of Mirrors 10 Eki 1972 
6 He Could Sell Iceboxes To Eskimos 17 Eki 1972 
7 The Wednesday Game 24 Eki 1972 
8 Don and Denise 31 Eki 1972 
9 Please Don't Send Flowers 14 Kas 1972 
10 With A Shout, Not A Whimper 21 Kas 1972 
11 Jason Be Nimble, Jason Be Quick 28 Kas 1972 
12 Unto the Next Generation 5 Ara 1972 
13 Heartbeat For Yesterday 12 Ara 1972 
14 Dinner of Herbs 19 Ara 1972 
15 A More Exciting Case 2 Oca 1973 
16 A Necessary End 9 Oca 1973 
17 Who Are You Arthur Kolinski? 16 Oca 1973 
18 Gemini Descending 23 Oca 1973 
19 The Problem With Charlie 30 Oca 1973 
20 Catch A Ring That Isn't There 6 Şub 1973 
21 The Working Heart 13 Şub 1973 22 The Other Martin Loring 20 Şub 1973 
23 The Day After Forever 27 Şub 1973 
24 The Tortoise Dance 6 Mar 1973