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Episodios
1. Lot 249
15 Jan 1967
2. The Croxley Master
22 Jan 1967
3. The Chemistry of Love
5 Feb 1967
4. The Lift
12 Feb 1967
5. Crabbe's Practice
19 Feb 1967
6. The Willow House School
26 Feb 1967
7. The Brown Hand
5 Mar 1967
8. The Mystery of Cader Ifan
12 Mar 1967
9. The New Catacomb
19 Mar 1967
10. Redhanded
26 Mar 1967
11. The Black Doctor
2 Apr 1967
12. The Beetle Hunter
16 Apr 1967
13. Playing with Fire
23 Apr 1967