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.
2005
2003
1968
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2002
1992
2006
1986
2007
1998
1973
1984
2004
1996
1982
1978
1966
2022
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2014
