About 22 minutes in, Philip and Elizabeth are in disguise driving in a pickup truck. The truck used is an '89-'92 model Ford Ranger that would not have been made when the episode took place (early '80s)
Renee tells Stan about a time when she and her friend were in Indiana and mentions that her friend went to "The U of I". There is no such place. The flagship university of the state is Indiana University (IU).