Boris Karloff, Nick Adams, Patrick Magee. Originally released as a motion picture in 1965.
Summary:
A young man visits his fiance's estate to discover that her wheelchair-bound scientist father has discovered a meteorite that emits mutating radiation rays that have turned the plants in his greenhouse to giants. When his own wife falls victim to this mysterious power, the old man takes it upon himself to destroy the glowing object with disastrous results.
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