The Five Minute Professor hosts the Return of Erik (Seattle Strikes back) vs David (Innyerendo) in a blood trivia battle. The lecture is on Bangkok, Thailand, The categories include Dennis Rodman, Harvey Keitel, Ritchie Valens, The Mexican American War, the Pap Smear, Bobby Valentine, Matt Skiba, Hit Songs of 1997, and Game of Thrones. (5620)