Today’s World

The winners of previous shows are brought back to compete for the grand-prize in this the season ending finale of “Show What You Know.”  Climate change, the internet, medical breakthroughs and the spread of pandemics are just some of the topics covered in this exciting episode. We close the season learning about future technologies from a senior science editor at Britannica, and our champion contestant wins the final quiz in a dramatic come-from-behind victory.