Topics in the Season 3 finale include Karl's thoughts on the insect world; and Stephen's embarrassment when buying condoms. Also: entries from Karl's diary about cutting avocados, dating twins and visiting his parents.
Topics include Ricky and Stephen watching soccer's World Cup while sharing a hotel bed; the problems of overzealous sports fans and cheating in sports; Ricky's childhood soccer tryout; and Karl's saliva production.
Topics include Karl's thoughts on the importance of historic artifacts and how his book will be viewed in the future. Also: Karl ponders the meaning of popular wartime expressions and what life is like for a soldier's spouse.
Topics include the laws of society and what Karl would do if he were in a position of authority. Also: Stephen asks Karl how he would have reacted had he been on the bus with Rosa Parks in Alabama in 1955.
Topics include Karl's recollection of his older brother's time in the military and his admiration for his neatly made bed. Also: An exploration of Karl's acts of bravery spotlights the day he saved a pie from a bank robber.
Topics for the third-season premiere include Karl's theory on museum collections; an invention for a mug coaster; and a fashion-trend disappointment. Also: Karl's movie idea about a man whose brain is transplanted into Tom Cruise's body.