Lisa Ann Walter from "Abbott Elementary" stops by.

Chef Kwame joins Jennifer in a cooking demo.

Jennifer welcomes 17-year-old Dr. Dorothy Tillman from Chicago, Illinois, who recently made headlines for earning her Ph.D. in Integrated Behavioral Health from Arizona State University. Dr. Tillman's educational journey includes earning her associate degree at age 10, her bachelor's degree at age 12, and her master's degree by age 14. In 2020, she founded the DorothyJeanius STEAM Leadership Institute for Kids in Chicago's Bronzeville neighborhood. Despite her impressive accomplishments, she considers herself an average teenager and is currently preparing for prom.

Iain Armitage, Montana Jordan, Raegan Revord, Lance Barber, Zoe Perry, Annie Potts, and Emily Osment from "Young Sheldon" stop by for a visit.

Jennifer also welcomes Linda Piston, a child science prodigy from Gainesville, Virginia. At 11 years old, she likens her school life to the TV show "Young Sheldon." Piston founded Linda's Lab, a nonprofit focused on two goals: ending world hunger and improving science education. She was recently named the national STEM champion for her research on mealworms, showing they can digest Styrofoam and complete their life cycle.