Friend of the show Wil Anderson (@officialwilanderson) joins Matt live in Perth along with marine biologist-turned-comedian Robyn Perkins (@robynhperkins) to talk all things coral, nudibranchs, poisonous sea creatures and surprising things to do with dry ice and mouths.

Writer/comedian Shawn Carlow (@shawncarlow) joins Jesse, Andy and Matt to talk about his new book People of the Titanic: 30 Tales of Extra-Doomed Souls Who Sailed on The Ship of Dreams, mouse-to-mouse resuscitation, what your poop schedule says about your health and physicists creating a supersolid out of light.

Live from Perth, Matt is joined by Ross Noble, Kirsty Webeck and Paul Savage to talk about if you can cook a chicken by throwing ice cubes at it, dolphins communicating with pee streams, dormant volcanoes that aren’t that dormant and astronauts’ eyesight.

Comedian James P. Connolly (@jamespconnolly) joins Andy, Jesse and Matt on location from the SLO Comedy Festival to talk about centaurs and minotaurs, plum grenades, forcing comedy on bar patrons, the asteroid that was at one point maybe going to hit us, the return of measles, Jesse's update on the state of Nashville, overly clean living conditions in space and microscopic obelisks in your gut.

Comedian Aidan Jones (@aidanjonescomedy) joins Matt, Andy and Jesse to talk about his musical comedy show Chopin's Nocturne, returning to classical music after a long break, piano tuning dorkery, doing Mozart covers, 66 million-year-old fish vomit, racy Mozart compositions, drawing dinosaurs with Zhao Chuang, talking dinosaurs with same and jerking it during a volcanic eruption.

Comedian Alice Fraser (@aliterative) returns to the show to talk with Jesse, Andy and Matt about Jesse's mistimed melatonin, Alice's new book A Passion for Passion: A Delirious Love Letter to Romance, Hot Frosty, Matt's upcoming Australia shows, how ants can beat humans at cooperation, increasingly dumb reality dating shows, Andy's Naked Attraction obsession, science lectures on Pornhub, burial site clues to ancient British matriarchies and the first-ever audio and video of a meteorite's impact.

(Note: This episode was recorded before the Los Angeles fires) Comedian/actor Mary Lynn Rajskub (@marylynnrajskub) joins Jesse, Andy and Matt to talk about filming her upcoming show North of North in Nunavut, her new standup special Road Gig, how Roman air pollution lowered the IQ of Europe, long eggs, the thick ice of Europa, Matt's upcoming Australia shows and Andy's upcoming Arizona ones.

Comedian and physical therapist Laura Hayden (@LauraHaydenFun) joins Jesse, Andy and Matt to talk about her penile pictorial book What About Dick, a decrease in average body temperature, sciatica advice, the benefits of pooping before you exercise, Matt's upcoming Australia tour and Andy's upcoming Warsaw Poland Bros gigs.