Jonny Quest (1964)

S1E1 The Mystery of the Lizard Men

During his search for several missing vessels in the Sargasso Sea, Dr. Quest stumbles upon a covert laser facility run by a foreign saboteur, cleverly concealed within the remains of an 18th-century shipwreck. The base is guarded by scuba divers clad in lizard-like suits, adding an unexpected element to the dangerous situation.