"Life on Mars" examines Meteorite ALH84001 and its incredible journey from Mars to Earth and "Destination Mars" introduces the viewer to the prospects of a manned journey to Mars.

This program explores natural forces inside our planet, how and why earthquakes occur, the 2004 tsunami and the international response that followed. Senior seismologist Gary Gibson takes us through some reasons why the earth has such destructive potential, and the natural forces behind the 2004 trunami. Featuring a range of natural disaster footage, graphics, footage of the tsunami aftermath, and interviews with aid workers involved in the international response.