Opening scene shows Avenger TBF Flight 19, which disappeared in Bermuda Triangle, but incorrectly dates the flight as January 1945, when in reality the flight Occurred in December 1945.
While it is mentioned that the animals and plants are not native to where they're at and to each other as they go through the land, the scenes of giraffes and other animals in savanna settings are not in line with the forested settings where they are travelling.
At the pool of memories, they see images from their thoughts and memories Fred saw both Varian's and Scott's images? This contradicts what Rhea said should happen.