Richard C Hoagland plus a Christmas interview with Dr Who's Companion in space-time travel Katy Manning - aka Jo Grant...

Berkshire-based Keith McCloskey has intensively researched the mysterious deaths of nine ski-hikers in 1959...

The return of world-famous investigative journalist and broadcaster Linda Moulton Howe...

Two top guests - Dr Leonard David on colonizing Mars - and Dr Max Moore on Cryonic Preservation...

This time US space insider - ex NASA-man Dr James Oberg...

US researcher N. Riley Heagerty on two very unusual medium-sisters...

One show - two Professors - Milton Wainwright on "extra terrestrial microbial life" - and Kevin Bennett on the "creepy clown craze"...

This time Hollywood insider Paul J. Davids on his recent work - and his latest - about the life and death of Marilyn Monroe...

Ahead of a visit to the UK... Erich von Daniken - author of Chariots of the Gods...

Conspiracy researcher Ole Dammegard - from his base in Spain...