Karl is back from holiday where he decided to start a diary. Ricky begs to read some of it, revealing a new invention Karl has come up with: A watch that counts down the days and time to one's death.
Ricky reads some predictions for the future from an academic study, which leads Karl to share his theories. Stephen asks the guys iftoday were the end of the world, what would they do with their last day?
Topics include Karl's theory on a reverse-aging process; Charitable gifts for families in need; The merits of space travel; A choice of superpowers; Personal mottoes. Also: a "Monkey News" segment about a Moscow TV station.
Ricky and Stephen challenge Karl to describe his ideal version of the world as conjured in a magical isolation tank, but Karl is suspicious of a perfect life. Karl describes his theory of the "Problem Hole."
Karl shares that he often goes on walks to observe ants, moths and other insects and that he once saw a bee have a heart attack.Karl asks if everything were the same size as humans, what would be the best animal to be.
Karl reminisces about an overabundance of breath mints throughout his childhood. Karl dismisses cures for blindness found via research with mice. After years of nursing a childhood leg injury, Karl visits a massage therapist with dubious credentials.
Karl ponders his entry interview with God at the Pearly Gates. Stephen reads from Karl's Diary hi-lighting alien mind reading and whether having one's head on backwards is harder than having one's hands reversed. Karl offers his top five list of freaks.