The Ultimate Menace is the 12th produced episode and the 4th broadcast episode of the second series of Terrahawks.
An enormous automated warship called Zyklon is approaching Earth's solar system, and the Terrahawks reach an uneasy alliance with Zelda to destroy it before it can wipe both of them out.
- Dr Tiger Ninestein — Jeremy Hitchin
- Captain Mary Falconer — Denise Bryer
- Sergeant Major Zero — Windsor Davies
- Captain Kate Kestrel — Anne Ridler
- Lieutenant Hiro — Jeremy Hitchin
- Lieutenant Hawkeye — Jeremy Hitchin
- Space Sergeant 101 — Ben Stevens
- Zelda — Denise Bryer
- Yung-Star — Ben Stevens
- Cy-Star — Ann Ridler
Guest Voice CastEdit
- Zyclon — Ben Stevens
- This episode's effects are an ambitious pastiche of Battlestar Galactica, achieved by multiple exposures incamera in 16mm!
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