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
2001
2004
1996
1998
2002
1962
2003
1991
1997
1976
1995
2005
1970
1987
1983
1988
1974
