Sezon 25
Bölümler
1 Coma 7 Eki 1997 
2 Faster Than Sound 14 Eki 1997 3 Bomb Squad 21 Eki 1997 4 The Proof 28 Eki 1997 5 Wild Wolves With David Attenborough 11 Kas 1997 6 Super Bridge 12 Kas 1997 
7 Treasures of the Sunken City 18 Kas 1997 8 Avalanche! 25 Kas 1997 9 Danger in the Jet Stream 2 Ara 1997 10 Night Creatures of the Kalahari 6 Oca 1998 11 Mysterious Mummies of China 20 Oca 1998 12 Supersonic Spies 27 Oca 1998 13 Animal Hospital 3 Şub 1998 14 The Brain Eater 10 Şub 1998 15 Everest - The Death Zone 24 Şub 1998 16 Search for the Lost Cave People 31 Mar 1998 17 Warnings from the Ice 21 Nis 1998 18 Crocodiles! With David Attenborough 28 Nis 1998 19 The Truth About Impotence 12 May 1998 20 The Perfect Pearl 29 Ara 1998
2 Faster Than Sound 14 Eki 1997 3 Bomb Squad 21 Eki 1997 4 The Proof 28 Eki 1997 5 Wild Wolves With David Attenborough 11 Kas 1997 6 Super Bridge 12 Kas 1997 7 Treasures of the Sunken City 18 Kas 1997 8 Avalanche! 25 Kas 1997 9 Danger in the Jet Stream 2 Ara 1997 10 Night Creatures of the Kalahari 6 Oca 1998 11 Mysterious Mummies of China 20 Oca 1998 12 Supersonic Spies 27 Oca 1998 13 Animal Hospital 3 Şub 1998 14 The Brain Eater 10 Şub 1998 15 Everest - The Death Zone 24 Şub 1998 16 Search for the Lost Cave People 31 Mar 1998 17 Warnings from the Ice 21 Nis 1998 18 Crocodiles! With David Attenborough 28 Nis 1998 19 The Truth About Impotence 12 May 1998 20 The Perfect Pearl 29 Ara 1998