Larry may have a way for the girls get home to 1988…but it’s going to require a lot of adult Erin…and Mac may not want to go home to her old life after spending time with Dylan.

Adult Erin leads a daring mission home to 1988 that takes an unexpected turn, leading the girls to KJ’s house and a big secret about her future.

The Old Watch invades Larry’s farm, leaving the Girls with one chance to get home to 1988.