Two victorian scientists (Peter Gilmore and Doug McClure) search the Bermuda triangle for the lost City Of Atlantis. A giant Octopus attacks them whilst they are in the experimental diving bell, and along with the top-side crew are taken to Atlantis.
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A massive improvement on At The Earth's Core, both in terms of entertainment and the monsters. Here they actually look somewhat of a threat. The acting is still terrible though. Cyd Charisse pops in at one point and looks terribly confused by it all. But it's a good laugh for the most part. John Ratzenberger spends half of it giving his mate a dead arm. Norm wouldn't stand for that shit.