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.
1998
2002
1965
1995
1982
1999
2004
2006
1984
2003
2013
2001
1978
1994
2005
