Are you safe aboard a modern cruise ship? Twenty million passengers embark on cruises each year, vacationing in deluxe "floating cities" that offer everything from swimming pools to shopping malls to ice skating rinks. And the ships just keep getting bigger: The average cruise ship has doubled in size in just the last 10 years. Some engineers fear that these towering behemoths are dangerously unstable, and the recent tragedy of the Costa Concordia has raised new questions about their safety. Now, NOVA brings together marine engineering and safety experts to reconstruct the events that led up to famous cruise disasters, including the ill-fated Concordia, the Sea Diamond and the Oceanos. Are we really safe at sea-or are we on the brink of a 21st century Titanic?

NOVA Season 39 Episodes...

• s39e01 - Engineering Ground Zero
• s39e02 - Surviving the Tsunami
• s39e03 - Finding Life Beyond Earth: Are We Alone?
• s39e04 - Iceman Murder Mystery
• s39e05 - The Fabric of the Cosmos - What is Space?
• s39e06 - The Fabric of the Cosmos - The Illusion of Time
• s39e07 - The Fabric of the Cosmos - Quantum Leap
• s39e08 - The Fabric of the Cosmos - Universe or Multiverse?
• s39e09 - Deadliest Volcanoes
• s39e10 - Bombing Hitler's Dams
• s39e11 - 3D Spies of WWII
• s39e12 - Mystery of a Masterpiece
• s39e13 - Ice Age Death Trap
• s39e14 - Separating Twins
• s39e15 - Cracking Your Genetic Code
• s39e16 - Hunting the Elements
• s39e17 - Deadliest Tornadoes
• s39e18 - Why Ships Sink
• s39e19 - Secrets of the Sun

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.