Some day hydrogen may replace the gasoline that we are now using up so rapidly. NOVA looks at the potential of hydrogen as a zero-pollution fuel.

NOVA Season 6 Episodes...

• s06e01 - Black Tide
• s06e02 - Long Walk Of Fred Young
• s06e03 - A World Of Difference
• s06e04 - Cashing In On The Ocean
• s06e05 - Patterns From The Past
• s06e06 - The Invisible Flame
• s06e07 - The End Of The Rainbow
• s06e08 - The Beersheva Experiment
• s06e09 - Einstein
• s06e10 - The Keys Of Paradise

NOVA Show Summary

Seen in more than 100 countries, NOVA is the most watched science based television series in the world and the most watched documentary series on PBS. It is also one of television's most acclaimed series, having won many major television awards, most of them many times over.