Is PB Smarter Than a Fifth Grader?

In this hilarious episode, the girls play a trivia game testing their knowledge of history, geography, science, and pop culture with questions like... Who invented the light bulb? How many grandchildren does Kris Jenner have? Neil Armstrong and Buzz Aldrin were the first two men to do what? What temperature does water boil? Which country has the largest population? What is Rihanna's real name? And plenty more... come play along! Learn more about your ad choices. Visit

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