Ricky and Stephen debate the merits of 20th century inventions with Karl; the guys introduce 'Monkey...

Stephen shares a news story about 42 midget warriors who were mutilated by a single lion in a Cambod...

Adding to his wish list of improbable inventions, Karl offers up a serum that ages dead people backw...

Karl admits he's getting a face rub at a spa, but frets he'll end up getting an enema as well. Also:...

Karl answers questions from fans; Karl deciphers the true meaning of sayings; Karl’s New Year’s reso...

After receiving a fan letter asking what body part he could live without, Karl recalls when he tried...

Ricky and Stephen read passages from Karl's diary, which chronicles his daily observations, as well...

A fan letter asks Karl: If he were on a sinking ship, and could only save either Ricky or Stephen, w...

More e-mail questions for Karl, such as: If Karl could talk to any animal, which would it be and wha...

Topics include: school curricula; physical altercations; human anatomy; whistling and happiness; bir...

A fan letter asks Karl to reveal the most romantic thing he's done for his girlfriend on Valentine's...

Stephen asks Karl questions posed to guests on "Inside the Actors Studio, leading to a discussion of...

Another question for Karl from "Inside the Actors Studio": "If heaven exists, what would you like to...

Karl tells Ricky and Stephen about his pitch of a movie starring "Clive Warren" and Rebecca De Morna...

Karl discusses what his doppelganger would be like. Ricky gives Karl a riddle. Karl and Stephen say...

The trio discuss animals and diseases; evolution; a fly that is supposedly a pet; Karl's diary.

Ricky gives Karl some animal facts. Karl ponders the question of whether you control your brain, or...

Karl shares his thoughts on why insects are so deserving of his attention. Karl talks about his disa...

Karl talks about having been rushed to hospital. He says that kidney stones were found and he had a...

Karl ponders height extremes when he learns that one of his new fans is actor Warwick Davis. Stephe...

Karl makes several predictions about humanity's distant future, including his belief that everyone w...

Ricky talks about undiscovered species. He talks about a drawing he did when he was in his early tee...

Karl discusses his childhood memories of having thousands of Tic Tacs in his house, given to his fat...

Karl talks about the brain having two sides and "sensing" when trouble is near. He recounts having e...

The trio discuss art, including Marcel Duchamp's Fountain and Damien Hirst's The Physical Impossibil...

Ricky asks Karl if he would give up his real life to live in a virtual reality isolation tank. Karl...

Karl ruminates on museum collections, his invention for a mug coaster, and a new movie pitch.

Karl feels he's getting up in age and is starting to spend more time with his doctors. No longer you...

Karl explains why he would have liked to join the Army and recounts his most harrowing acts of brave...

Ricky, Stephen and Karl discuss what things Karl would banish from the world, and what item he would...

Karl walks Ricky and Stephen through a typical day in his life. After being woken by his girlfriend...

Ricky, Stephen and Karl discuss the essence of Englishness, and what other nationality Karl would li...

Ricky, Stephen and Karl discuss capital punishment, the Ten Commandments and hostage negotiation.

Karl shares his thoughts on medical advancements, how being sick makes him feel better, and his idea...

Karl contemplates the beginnings of the Universe, evolution, recycling and toilets abroad.

Ricky, Stephen and Karl discuss the laws of society and civil rights.

Karl interprets the meaning of wartime sayings and imagines a scenario in which he is the wife of a...

Ricky, Stephen and Karl ponder the problem of overzealous sports fans; Karl shares his saliva-volume...

Karl ruminates on the insect world; Stephen recalls the horrors of buying condoms.