Close Encounters of the Bird Kind - S2-E20
Continuity mistake: When Dick Butkus is in the clubhouse doing "The Butkus Group", the door is open. After Max and Abby leave and Bill Nye says you can't charge a cell phone with a potato, it's still open. But in the outside shot of Max Abby, the door is now closed.
Continuity mistake: After Reggie Jackson goes inside and Jackie Joyner-Kersee is talking to Dick Butkus, her hands switch from being down by her side to up around her waist depending on the camera angle.