Titanic's Tragic Sister

44min | Aired on Oct 14, 2007 | TV-PG | CC |

HMHS Britannic, sister ship of the ill-fated Titanic, met its own untimely end in the Aegean Sea in 1916. Whether a German mine or a submarine torpedo sank it, a bigger mystery remains: Why did the giant ship sink so fast?

Watch it free for 7 days. Commercial-Free. Cancel Anytime.