Attack of the 50 Foot Woman (1958)
When an abused socialite grows to giant size because of an alien encounter and an aborted murder attempt, she goes after her cheating husband with revenge on her mind
Smart House (1999)
A teenager wins a fully automated dream house in a competition, but soon the computer controlling it begins to take over and everything gets out of control Then teenage Ben must calm the computer named PAT
The Amazing Colossal Man (1957)
A military officer survives a nuclear blast, only to begin to uncontrollably grow into an increasingly unstable giant