BBC World Service ·

Witness History

Tuesday 13 October 2026, 18:50 – 19:00 UK time

Psychologist Harry Harlow conducted a series of experiments on baby rhesus monkeys in the late 1950s which would become some of the most controversial in modern science.

Upcoming showings

Other scheduled episodes, repeats and reruns across all channels. All times are UK time.

BBC World Service

Witness History

Tuesday 20 October 2026, 12:50 – 13:00

→

BBC World Service

Witness History

Tuesday 20 October 2026, 18:50 – 19:00

→

BBC World Service

Witness History

Wednesday 21 October 2026, 03:50 – 04:00

→

BBC World Service

Witness History

Wednesday 21 October 2026, 08:50 – 09:00

→

BBC World Service

Witness History

Wednesday 21 October 2026, 12:50 – 13:00

→

BBC World Service

Witness History

Wednesday 21 October 2026, 18:50 – 19:00

→

BBC World Service

Witness History

Thursday 22 October 2026, 03:50 – 04:00

→

BBC World Service

Witness History

Thursday 22 October 2026, 08:50 – 09:00

→

BBC World Service

Witness History

Thursday 22 October 2026, 12:50 – 13:00

→

BBC World Service

Witness History

Thursday 22 October 2026, 18:50 – 19:00

→

BBC World Service

Witness History

Friday 23 October 2026, 03:50 – 04:00

→

BBC World Service

Witness History

Friday 23 October 2026, 08:50 – 09:00

→

BBC World Service

Witness History

Friday 23 October 2026, 12:50 – 13:00

→

BBC World Service

Witness History

Friday 23 October 2026, 18:50 – 19:00

→

BBC World Service

Witness History

Saturday 24 October 2026, 03:50 – 04:00

→

BBC Radio 4 FM

Witness History

Sunday 25 October 2026, 08:48 – 08:58

→

BBC Radio 4 LW

Witness History

Sunday 25 October 2026, 08:48 – 08:58

→

BBC Radio 4 FM

Witness History

Sunday 25 October 2026, 17:00 – 17:10

→

BBC Radio 4 LW

Witness History

Sunday 25 October 2026, 17:00 – 17:10

→

BBC World Service

Witness History

Monday 26 October 2026, 08:50 – 09:00

→