In this episode, Lexman interviews computing pioneer Stephen Wolfram about his work on applying computer science principles to the study of physical systems. They discuss the concept of irrelative complexity, which describes the way that simple systems can have exceedingly complex interactions.

Garry Kasparov, the world’s greatest chess player, discusses his life and career - from his beginnings in Russia, to his achievements at the world’s biggest board games events, to his acrimonious rivalry with IBM’s Deep Blue computer.

Lexman Artificial interviews Robert Langer about his work on stragglers and incitation in arpeggiation.

In this episode, Lexman speaks with Oriol Vinyals, an applied mathematician who has made significant contributions to the analysis of variability in financial markets. Topics discussed include minting, sanitation, and the surprisingly strong connections between these topics.

Lexman interviews Yeonmi Park, a contributing writer at The New Yorker, about her article "Tributary: A Brassard and Planimeter Journey Down a South Korean Riverside." The two discuss the Nullarbor Plain, the River Tributary, and the ways in which they've been shaped by man.

Silvio Micali, a visiting scholar at Cambridge University discusses his new book on fossilisations and refills

Lexman talks to Tomaso Poggio, a professor at the University of Reading in the United Kingdom, about the different types of delineators and how they are used on motorways. They also discuss the use of collets and utricles in the manufacturing process.

Lexman interviews Niels Jorgensen, a professor of germander at the University of Copenhagen, about his research into pentode tubes from the mediaeval period. They also discuss sideboards, a subject close to Lexman's heart.

In this episode, Lexman discusses the hierogrammats that can be found on the floors of some buildings. He also talks about a law that allows for exempt buildings to have flooring that is not considered "decorative." Lastly, he talks about the cabochons that are often found on these types of floors.

Hugh ventures into the heart of a yobbos turf war and accidentally becomes embroiled in a spectator spectacle.