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After reading 2279 websites, we found 3 different results for "What is the year of release of My Stepmother Is an Alien"
1988
A July press release for the film stated that My Stepmother Is An Alien would be released on November 23, 1988, but November was later pushed to December 9.
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1979
The movie has been bounced around as a prequel to the 1979 sci-fi sensation, Alien.
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