Cast
Zoologist Nigel Marvin travels back in time to visit deadly creatures of the prehistoric oceans.
Nigel Marven (Acting)
18 June 2004
2 October 2000
4 December 2020
14 December 2003
21 June 1998
27 March 2003
15 November 2001
22 July 2006
1 July 2017
11 January 2004
22 September 2004
2 May 2018
17 September 2021
17 September 2013
25 January 2016
5 May 2022
19 March 2021
6 May 2019
15 July 2016
24 September 2007
9 September 2003