Dr. Lee

"' Oh, come on! Aren't you overreacting?'"- Dr. Lee saying to Damien that he is overreacting or not.

Mary "Johnson" Lee (a.k.a. Dr. Lee) is the hidden main antagonist in Episode 11 (Special Episode) of Caillou's Ungrounding Story. She is also the main antagonist in the standalone sequel of the episode, called "Caillou's Sickness" which took 6 days after Episode 11. She is one of the secondary antagonists in Caillou's Ungrounding Story.