It's the Gay Pumpkin, Charlie Brown - S5-E5
Visible crew/equipment: When Grace has stopped and is trying to fix her bike, a red car passes her, splashing up mud all over her. As the car passes the camera, the whole crew and equipment is clearly reflected in the side.
Fagmalion Part Four: The Guy Who Loved Me - S5-E19
Visible crew/equipment: When the maintenance man walks over from the fireplace, towards Karen, saying "The true pride that comes..." the camera pans around the glass table, and the whole stage light and stand is reflected in it.
Answer: A history of the game can be found at http://www.fast-rewind.com/bacon.htm.
J I Cohen