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.
2017
2005
1997
2021
1988
2002
1970
2014
—
1990
1993
1966
2003
1999
2011
1995
2006
2012
2008
