Brian Cox and Robin Ince host a close encounter of the first kind with comedian Lucy Beaumont, astronomer Maggie Aderin-Pocock, Prof Tim O’Brien and science presenter Dallas Cambell to ask if UFOs and aliens have visited Earth.
2006
2000
2005
2017
1997
1973
2020
1990
1986
2012
1998
1983
2002
2018
2016
2021
2019
