S2 E18: Seawise (Happy) Giant: The Largest Ship to Ever Sink

Not only was Seawise Giant the largest ship to ever sink, but it was the largest ship ever built! So why isn't it as famous as Titanic? Well, this was a crude oil tanker with a crew of only 50. Plus, this mammoth vessel ended up having a surprising Second Act after the sinking - and a decidedly more "happy" one.