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.
2010
1955
1967
1963
2021
2023
1959
1986
1993
2016
1983
2009
2006
2014
2018
