There were some creepy moments on the show but two specific ones take the cake. First, there was an episode where Chuckie keeps experiencing a series of nightmares. At the end of the show his father Chazz puts Chuckie to sleep, enters the living room and sees a figure that appears to be Stu. When the figure turns around it has a distorted face and exclaims the infamous line, “I’m not Stu!” This FREAKED ME OUT big time as a kid. The second time was an episode where Angelica’s parents told her they might be having a second child. Angelica then dreamed she was having a brother who was freakishly big and chased her around in what was another very eerie showing. For a cartoon that wasn’t trying to scare me, Rugrats succeeded in doing so occasionally.
(The “I’m Not Stu” clip. Kind of funny now but at 7, not so much.)