Ricky and Stephen debate the merits of 20th century inventions with Karl; the guys introduce ``Monkey News.''
Stephen shares a story about a Cambodian ring fight and an e-mail from a fan; Karl tries to avoid donating to charities.
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.
Karl admits that he is getting a face rub at a spa; The customs of undocumented tribes in New Guinea; Ricky and Karl’s trip to an antiquities store; A fan’s e-mail warns of dangerous dolphins.
Karl answers questions from fans; Karl deciphers the true meaning of sayings; Karl's New Year's resolution; "Monkey News."
A fan asks Karl which body part he could live without; Fan mail questions for Karl; "Monkey News."
Ricky and Stephen read passages from Karl's diary; Nicknames; "Monkey News."
Karl answers fan E-mails, Stephen reads more from Karl's diary; Karl discusses how he would redesign animals; "Monkey News."
Karl discusses his teaching methods; Questions for Karl; Karl's Diary; Monkey News.
Karl gives advice for Valentine's Day; Karl imagines what it would be like to be a beetle; Karl's Diary; final Monkey News.
Inside the Actors Studio questionnaire; Karl discusses the afterlife; Karl's Diary.
Inside the Actors Studio questionnaire; Karl's Diary; Karl's Top 5 Freaks.
Karl tells Ricky and Stephen about his pitch of a movie starring "Clive Warren" and Rebecca De Mornay; Stephen reads more pages from Karl's diary, revealing Karl's dislike of camping in Australia and his tendency to save insects from falling into a swimming pool.
Karl discusses what his doppelganger would be like; Ricky gives Karl a riddle; what Karl does not like about Ricky's cat; Stephen discusses his holiday to Rio for Carnival.
The trio discuss animals and diseases; evolution; a fly that is kept as a pet; Karl's Diary.
Ricky relates some interesting animal facts; after remembering that he needed to add an onion to his grocery list, Karl asks himself a deep question; entries from Karl s diary include Karl pondering why people bother to take pictures of mimes.
Karl shares the fact that he often goes on walks to observe ants, moths and other insects; Karl ponders the best animal to be if everything were the same size as humans; Stephen asks Karl a question posed to guests.
Karl tells the story of having kidney stones; Karl ponders a phenomenon; Karl's Diary; and more.
Karl ponders height extremes when he learns that one of his new fans is the actor Warwick Davis; Stephen tells the tale of him visiting a night club.
Karl makes several predictions about humanity's distant future.
Ricky talks about undiscovered species and shares an idea for the "Car of the Future".
Karl discusses childhood memories of Tic Tacs, and tells of his recent visit to a "professional leg rubber".
Karl shares his thoughts about the two sides of the brain and the "sixth sense".
Karl discusses art and suggested adaptations of literature and film featuring The Muppets.
Ricky asks Karl if he would give up his real life to live in a virtual-reality isolation tank. And Karl discusses his thoughts about happiness.
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.
Topics include Karl's thoughts on wills and suggestion of marriage as a tax shelter. Also: Stephen recalls a costume from his childhood; Karl pitches an idea for charitable pursuits.
Karl explains why he'd like to join the Army and recounts his most harrowing acts of bravery.
Topics include Room 102, based on George Orwell's Room 101 from "1984"; an idea for stopping overweight people from eating late-night snacks; and what Karl would take to a desert island.
Karl describes a typical day in his life, which includes spending time alone working on do-it-yourself projects.
Ricky, Stephen and Karl share their definitions of what it means to be an Englishman. Also: Karl explains why, if he wasn't English, he'd rather be Italian.