In 1890 Jeffery can't call for a doctor when Dwight David Eisenhower's mother goes into labor because telephones don't exist. They travel to 1875 to make sure that Bell has his financing to continue his telephone experiments.
Did You Know?
At one point, Phineas and Mabel Hubbard have a conversation in front of Thiel Hall which was also used as the Hill Valley Courthouse from the Back to the Future movie series, another time traveling franchise. Nick Thiel
was a producer and executive story consultant on the series. See more
After Jeffery takes back the briefcase with the bomb in it and then begins to fly the plane, another shot of the unconscious passengers shows the briefcase is back with the bomber. See more