Audio problem: When Wells is en route to the Hyatt, exhaust sound from the taxi as it descends the hills of San Francisco seems to have been stolen from the Mustang in "Bullet." When the taxi pulls up in front of the hotel, it sounds again like the ordinary taxi that pulled away with Wells earlier.
Time After Time (1979)
1 audio problem - chronological order
Directed by: Nicholas Meyer
Starring: Mary Steenburgen, Malcolm McDowell, David Warner, Charles Cioffi
Plot hole: When Jack The Ripper checks his watch before confronting H.G. Wells and demanding the key, the hands point to 8:50, the ensuing chase to the museum and demise of the Ripper may have used up a half hour or so, yet the time on the wall clock indicates that it is midnight.
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Suggested correction: Movie time and real time don't match, so 3 hours has passed without all 3 hours being shown. The fact that the clock now shows midnight is meant to explain this fact without the need for subtitles to reveal the time.
Jack the Ripper: It's catching isn't it, violence.
Trivia: All three of the children of the real H.G. Wells were still alive at the time of this film's release.
Question: When Amy goes back in time to live with H.G. Wells, why did she choose to change her name to Susan B. Anthony?
Answer: She was joking, but it seems to imply that she intends to influence his political views regarding socialism, global war, women's rights, etc. which the real H.G. Wells wrote about.
Also, H.G. Wells' second wife was named Amy Robbins, the same name as the Amy in the film, which would further indicate she did not change her name to Susan B. Anthony.