Mary is found unattractive to Eric, so she goes to the mall to find a way to make her more sexy. What she finds, however, is much worse.
Sunday School Episode Fun Fact #1: After John changed the time line in episode #9, remnants of the original time line seep into this newer time line, causing events to repeat itself, but from a different perspective (in this case, Mary's perspective).
Sunday School Episode Fun Fact #2: Father Pastor and Ms. Doyle mention the priest from "The Exorcist" in passing.
Sunday School Episode Fun Fact #3: Adam Crumpton, the model for several characters that have appeared in many of Eric's cartoons, lends his voice in this episode as the ever ready Peter Pan.