'What the Big People Do' ends abruptly with Angelica transformed into a devil during the nightmare and laughing evilly at Tommy & Chuckie. What she does to Tommy & Chuckie is unknown but possibly tries hurting them.
'What Big People Do' marks the first time in the series the running gag is used where someone comments the coffee they're drinking tastes like mud only to find out it really is mud.
The December 31st, 1999 11:45pm single airing of "What the Big People Do" marks the final broadcast of Nickelodeon of '99 and its 90's decade, just before the debut of Nickellennium (1999).