Nation's Dumbest - Episode Guide

Twelve celebrities face logic, nostalgia quizzes, and zoology/geography tests. Who will graduate and who will return to class?

The all-star students face a mind-boggling lightbulb game, race to answer questions before a balloon bursts and team up in a spelling bee as they work toward the high-stakes final exam.

After a deceptive challenge, the class receives its first rankings; the all-star students take on an intense chess-themed trivia game and a school picture day challenge as they work toward the high-stakes final exam.

With only nine contestants remaining, tensions rise and rivalries start to form as the celebrities push themselves to their limits, tackling everything from general knowledge trivia to a game of life-sized human labyrinth. 

The dreaded midterms are the last chance for the celebrities to avoid being in the bottom half of the class; but will a mystery guest outshine them all?

Jack pairs the contestants into teams to give them a boost.

Bonds are tested as the remaining five celebrities battle science, and each other, with explosive results.