Stupidity: When making apple sauce, just slapping a paper lid on the jar (instead of canning it properly) , would soon result in the jars turning to mold.
Baby Boom (1987)
1 stupidity
Directed by: Charles Shyer
Starring: Diane Keaton, Sam Shepard, Harold Ramis, Kristina Kennedy
Continuity mistake: The movie covers a period of at least a year, but the baby stays the same age throughout.
J.C. Wiatt: ... And your sister's name in Wiesbaden - in case of an emergency - and her prison record if any..
Helga Von Haupt: Excuse me?
J.C. Wiatt: Uh, oh, silly! I mean her address if you have it.