When a human baby's room is damaged by a Jokester, Tylor has his first experience working with MIFT on the repairs. While the room is repaired, Mike and Sulley must take care of a human baby.

Tylor sees an opportunity to get promoted as Jokester during Mini-Monster Day at Monsters, Inc. when he is paired with Ms. Flint’s daughter. Can he get her to laugh?

Abandoning his dream of becoming a Jokester, Tylor sets his sights on becoming the perfect MIFTer. But when he loses the sacred hair of David, a former employee, Tylor must get it back before the MIFT team finds out.