Season 23

1.Anastasia Dead or Alive?

2.Venus Unveiled

3.Hawaii Born of Fire

4.The Doomsday Asteroid

5.Lightning!

6.Hunt for the Serial Arsonist

7.Treasures of the Great Barrier Reef

8.Race to Catch a Buckyball

9.Can Buildings Make You Sick?

10.Terror in the Mine Fields

11.The Day the Earth Shook

12.B-29 Frozen in Time

13.Plague Fighters

14.War Machines of Tomorrow

15.Kidnapped by U.F.O.'s?

16.Flood!

17.Dr. Spock the Baby Doc

18.Warriors of the Amazon

19.Bombing of America