Ghost Ship Godzilla : Season 2 Episode 3

The team makes a fascinating discovery: A German U-boat from World War I trapped in an iceberg. After Godzilla frees it, the team is shocked to see the crew of the U-boat still alive and they also believe the war is still going. They manage to convince them the war is over, but then a giant octopus attacks the U-boat, with Pete and Brock inside. Godzilla must stop the octopus before the sub is destroyed.