 
     
        | Name | First Aired | Runtime | Image | |
|---|---|---|---|---|
| S02E01 | Daddy Kiss It Better | July 29, 1968 ITV1 | ||
| S02E02 | Star Quality | August 8, 1968 ITV1 | ||
| S02E03 | Bon Voyage | August 12, 1968 ITV1 | ||
| S02E04 | A Heritage and Its History | August 19, 1968 ITV1 | ||
| S02E05 | Funeral Games | August 26, 1968 ITV1 | ||
| S02E06 | A Most Unfortunate Accident | August 9, 1968 ITV1 | ||
| S02E07 | Who Is Sylvia? | August 16, 1968 ITV1 | ||
| S02E08 | The Kindness of Mrs Radcliffe | August 23, 1968 ITV1 | ||
| S02E09 | There's a Hole in Your Dustbin Delilah | August 30, 1968 ITV1 | ||
| S02E10 | Number Ten | October 7, 1968 ITV1 | ||
| S02E11 | The Explorer | October 14, 1968 ITV1 | ||
| S02E12 | The Tigers of Subtopia | October 21, 1968 ITV1 | ||
| S02E13 | The Stealers of Darkness | October 28, 1968 ITV1 | ||
| S02E14 | Inventory for the Summer | November 25, 1968 ITV1 | ||
| S02E15 | Neutral Ground | December 2, 1968 ITV1 | ||
| S02E16 | Your Name's Not God, It's Edgar | December 9, 1968 ITV1 | 25 | |
| S02E17 | If Only the Trains Come | December 16, 1968 ITV1 | ||
| S02E18 | Camille 68 | December 23, 1968 ITV1 | ||
| S02E19 | Thirteen Thousand and Eighty Three Pounds | December 24, 1968 ITV1 | ||
| S02E20 | The Best Pair of Legs in the Business season finale | December 28, 1968 ITV1 | 25 | |
| S02E21 | The Tycoon | December 30, 1968 ITV1 | ||
| S02E22 | Murder: When Robin Was a Boy | March 17, 1969 ITV1 | ||
| S02E23 | Murder: Return to Yesterday | March 24, 1969 ITV1 | ||
| S02E24 | Murder: Double Negative season finale | March 31, 1969 ITV1 | ||
| S02E24 | Murder: Nobody Knows | April 14, 1969 ITV1 | ||
| S02E25 | Murder: Mr Buchanan | April 21, 1969 ITV1 | ||
| S02E26 | Murder: Identikit | April 28, 1969 ITV1 | ||
| S02E27 | Double Agent | May 12, 1969 ITV1 | ||
| S02E28 | Public Face | May 19, 1969 ITV1 | ||
| S02E29 | Uncle Jonathan | June 2, 1969 ITV1 | ||
| S02E30 | Square on the Hypotenuse | June 9, 1969 ITV1 | ||
| S02E31 | Colombe | June 16, 1969 ITV1 | ||
| S02E32 | The Friendly Persuaders | June 23, 1969 ITV1 | ||
| S02E33 | Beast in the Jungle | June 30, 1969 ITV1 | ||
| S02E34 | The Marrying Kind | July 7, 1969 ITV1 | ||
| S02E35 | Justice Is a Woman | July 14, 1969 ITV1 | ||
| S02E36 | End of Story | July 21, 1969 ITV1 | ||
| S02E37 | Remember the Germans | July 28, 1969 ITV1 | ||
| S02E38 | The John Hilarian Salt Exhibition and Numerous Illustrated Slides | August 4, 1969 ITV1 | ||
| S02E39 | Stables Theatre Company #1: In a Cottage Hospital | August 11, 1969 ITV1 | ||
| S02E40 | Stables Theatre Company #2: Wedding Night | August 18, 1969 ITV1 | ||
| S02E41 | The Ha Ha season finale | August 25, 1969 ITV1 |