| What feels at times like an episode of Night Stalker (no doubt because of Dan Curtis) is actually a creepy crawly groovy TV monster movie.
Patty Duke Astin and Donna Mills play fraternal twins, one of whom was bitten by a spider as a child.
As an adult, she develops a split personality and turns into a giant black widow, trapping and killing her male victims.
With touches of humor reminiscent of the director's earlier works, the real kick is watching television stalwarts Duke and Mills have a blast in this enjoyable throwback to the Atomic creature films of the 1950s.
The zippy score by Bob Colbert and a cast of mostly veterans add to the overall fun.
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