The Return of Godzilla (1984)
Godzilla vs. Biollante

7.4
Overview
After the previous Godzilla attack, a miniature arms race ensues to collect his cells. Concerned over Godzilla's possible return, the Japanese government uses the cells to create a new bio-weapon, ANEB (Anti-Nuclear Energy Bacteria). They seeks the aid of geneticist Genshiro Shiragami, who's experiments result in a new mutation.
Recommendation & Similar
Godzilla vs. Destoroyah (1995)
Godzilla vs. King Ghidorah (1991)
The Return of Godzilla (1984)
Godzilla vs. SpaceGodzilla (1994)
Beastmaster 2: Through the Portal of Time (1991)
The Lady and the Highwayman (1988)
Karaoke Terror (2003)
Prom Night III: The Last Kiss (1990)
Godzilla 2000: Millennium (1999)
Doctor Who: Time Crash (2007)
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Godzilla: Tokyo S.O.S. (2003)
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Godzilla vs. Mechagodzilla II (1993)
Godzilla vs. Mechagodzilla (1974)