Join or Sign In
Sign in to customize your TV listings
By joining TV Guide, you agree to our Terms of Use and acknowledge the data practices in our Privacy Policy.
A trio of World War 2 vets band together to search for a lost Nazi fortune.
There are no TV Airings of Operation Mermaid in the next 14 days.
Add Operation Mermaid to your Watchlist to find out when it's coming back.
Check if it is available to stream online via "Where to Watch".