Erica tells Adam " Mom tells Barry he is going to be a doctor ". In real life, Barry Goldberg becomes a doctor in radiology. FYI, Erica based on Eric Adam's brother becomes a doctor too.
The pudding cup Laney is holding in the beginning of the show is plastic, back in the 80's pudding cups were in pop top cans.
When Adam begins to tag the water tower, the letters "JTP" are spray painted there. JTP is the name of Barry's crew, The Jenkintown Posse.