Season
- Season 1 1982-04-06
- Season 2 1982-10-20
- Season 3 1983-03-02
- Season 4 1983-11-16
- Season 5 1984-03-28
- Season 6 1985-03-06
- Season 7 1986-02-19
- Season 8 1987-02-04
- Season 9 1988-01-06
- Season 10 1989-02-01
- Season 11 1990-01-03
- Season 12 1991-01-02
- Season 13 1992-02-12
- Season 14 1993-03-10
- Season 15 1994-01-12
- Season 16 1994-07-14
- Season 17 1995-03-21
- Season 18 1996-05-22
- Season 19 1997-05-20
- Season 20 1998-07-19
Season 20 Episode
- Season 20 Breathless
- Season 20 Prisoners of the Forgotten Plague
- Season 20 Deadly Secrets
- Season 20 The Quest for the Quagga
- Season 20 Spontaneous Human Combustion
- Season 20 Hope for Helen
- Season 20 Bubble Babies
- Season 20 Betsy and the Bongo
- Season 20 Call of the Deep
- Season 20 Secrets of the Cloud People
- Season 20 The Bionic Woman
- Season 20 Joella's Journey
- Season 20 Saving Trudy
Q.E.D - Season 20 Episode 3 Deadly Secrets
6.00 48 minutes Every year at least 20 women in Britain kill their babies on the day they give birth. The actual figure may be higher because many of these women manage to hide their pregnancies from everyone around them. Here, two women describe what led them to commit neonaticide, and psychiatrists try to explain why mothers do it.
