Anachronisms: When Chris is in a local store, a new version of the Cheetos brand bag is visible when the show takes place years before the bag change.
Incorrectly regarded as goofs: In one episode, where Greg attempted to hug Chris, The adult narrator Chris made a reference to Brokeback Mountain. The movie wasn't released until 2005, and this series is set in the 1980s, but it is not the teenage Chris who makes the reference.