Michael Aspel and Penny Smith present this 90-minute live special from London Television centre to, through use of footage from the series and interviews with key figures and experts in the field, answer the question ""Are some UFOs actually extraterrestrial in origin?"" They are joined by six experts. Firstly, the belivers are authors Nick Pope, Timothy Goode and Stanton Freidman. The sceptics are Dr Chris French, psychologist; Dr David Hughes, astronomer; and Prof. Frank Close, theoretical physisist at Oxford. Credits: Presented by.... Michael Aspel; Penny Smith With.... Professor Frank Close, Dr Chris French, Stanton Freidman, Timothy Good, Dr David Hughes and Nick Pope and.... Heather Couper, Colonel Chuck Halt, Dr Edgar Mitchell, Maj. Gen. Pavel Popvitch, Jenny Randles, Ian Ridpath, Captain Graham Shepherd, Derrel Sims With Thanks to.... Aviation Action; BBC TV Music.... David Arch Make-up.... Amanda Burns Wardrobe.... Tony Otero Graphics.... Dick Whitbread Vision Contro