Joking's favorite Professor Konstantin Batygin is back to explain how he discovered that equation that governs the quantum world of Schrödinger's cat fame, also describes planetary disks and the formation of solar systems. He also breaks down the progress on the dark hunt for Planet Nine.

Paul Zaloom, star of the hit science show for kids, Beakman's World, drops in to tell Kevin about the popularity of his show all over the world, has him trekking across the globe. Paul give the low down on his latest project: puppet astronauts.

Author of The Case for Mars explains his plans to take people to mars, Mars Direct. Kevin and Robert discus SpaceX, making fuel on Mars, space nuclear, the intellectual dark web, and the uselessness of tollbooths in space.

"The Martian" Andy Weir returns to Surely You're Joking after meeting up with Kevin and Matthew in the Bay Area to tell us about his new book, "Artemis." Andy also gives his take on why the Moon will be the home of the first Space city, not Mars, squarely breaking with Elon Musk. Andy welcomes his friend joining the sci-fi author turned movie club with the release of "Ready Player One." and shares his outlook on BFR.

Kevin drives up to Berkley to meet up with environmentalist turned Gubernatorial candidate Michael Shellenberger. Michael is the founder of Environmental Progress, a non-profit devoted to well, environmental progress. Much like Kevin, Michael see nuclear energy as a critical part of growing the economy and standard of living of California and beyond. Is this episode hilarious? Meh, not really, but covers pretty serious stuff and Shellenberger is definitely a serious contender for the biggest state in The Union.

Richard Rieber tells of his work on the Martian rover Curiosity and the up and coming rover Mars 2020, the dangers of driving the world's most expensive vehicle at 0.01 mph and what happens when you use wheels to leave your mark.

Physicist Liz Friedman joins Kevin and Jimmy O Yang (right after wrapping Silicon Valley Season 4)meet up at Jimmy's old apartment to talk about detecting high energy neutrinos, in the coldest place on earth. Liz brings Jimmy polar schwag and tells us about her famous picture from New Years. Jimmy pitches his new book How To American.

Comedian Sarah Keller and Mitch tell Kevin how unimpressed they were with the SpaceX Falcon Heavy launch, and discuss the secret of living forever, the science of bullfrog mating calls, emotional truck commercials, and three parent babies.

Rocket scientist Manan Arya uses the ancient art of origami to fold complex space structures, like solar collectors, radio dish antennae, and even mirrors for the next generation of powerful telescopes. Along the way they brain storm on new origami space fashion.

Comedian Irina Skaya has strong opinions about politics (and the comedy of politics) and she doesn't care if you're offended by them. Kevin and Irina talk about life of immigrant families. Irina talks about how embracing her Russian/Ukrainian background has liberated her comedic voice. They manage to fit some science in there too and Irina pleads in Russian to get Surely You're Joking unbanned in Russia.