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.
1967
2005
1968
2004
2011
2019
1979
1994
1976
2012
2003
2021
1961
1978
2010
