Lost Ships of WW2

Iron Bottom Sound: Graveyard of the Pacific (1x6)

Air date: May 29, 2022

In one night, over 1000 Allied sailors died when 4 cruisers went down in flames. They rest in a graveyard littered with so many ships that it has become known as Iron Bottom Sound. Petrel undertakes a 'needle in the haystack' search to find the 4 ships.