Factual error: Episode 2, Get Tannen: Frankenstein is mentioned to be a movie at the theater on August 25th 1931. Frankenstein wasn't first released until November 21st 1931.
Continuity mistake: Episode 1, It's About Time: The DeLorean first disappears at the mall with two lines of flames behind it. The flames disappear far too quickly.
Trivia: Episode 2, Get Tannen: After the clip of Doc and Artie leaving, select "Story So Far". The time reads 10:04pm, the same time the courthouse clock got struck by lightning in the first Back To The Future movie.