S5·E4 Michaelangelo Meets Mondo Gecko
Aired September 14, 1991
Synopsis
Michaelangelo awakes in the middle of the night from a bad dream. Unable to remember what it was about, Splinter assists him through hypnotism. Mikey vividly recalls the day that he and his brothers fell into the sewer and landed in the green ooze but he also sees a small lizard crawling through the contaminant.