Gamera vs. Barugon (1966) After a treacherous expedition to retrieve a giant opal, disaster strikes as the opal reveals itself to be an egg which spawns Barugon, demon dog from Hell! Armed with a deadly tongue and cold beams, Barugon wreaks havoc on Japan. Gamera comes to save the day.
Gamera vs. Gyaos (1967) Gamera's back, and just in time to save Japan from Gaos, a mysterious bat-like creature awakened by a volcanic eruption. As in the first Gamera movie, a young boy establishes an emotional link with Gamera, and the two work together, with the help of the world's scientists, to put and end to Gaos' violent rampage.