Space Patrol

"The Sea Monster Of Planet X". Sponsored by: Ralston cereals ("Name The Planet" contest), (Test Pilot endorsement). Commander Corry and Cadet Happy battle the evil Prince Bacaratti and his submarine...and a sea monster! This is a network, sponsored version of cat. #17565. Buzz and Happy are trying to drive off one of Prince Baccarritti’s atmosphere ships before it destroys a small submarine in the great sea of Planet X…