Zoologist/producer/composer/podcaster Laura Sams (@lauramsams) Jordan joins Jesse, Matt and Andy to talk about fliming grizzly bears in Alaska, studying hyenas in Africa, Laura's kid-friendly wildlife podcast The Happiest Animal Show, starting a production company with your sibling, interviewing six-year-olds, Laura's inflatable basking shark, the shocking actual appearance of basking sharks, the Horniman walrus, they're all in my Wildlife Treasury, a duck in a jersey and inserting a human language gene into mice.

Comedian Diana Hong (@dhongcomedy) joins Jesse, Andy and Matt to discuss cat ownership, Shadow Force, Sawbones and the McElroy-iverse, Diana's golf career, outsider commemorative art, a new way to get your lithium, battery types, alkali metals reacting with water, Lithium Valley, bottle recycling in the US, Sonny Bono's Palm Springs legacy, awful bronze statues, RIP Primm (maybe), an optimal robot body with 20 legs and Old Glory Robot Insurance.

Lawyer-turned-comedian and self-professed podcast slut Charles Star (@ugarles) returns to the show to talk about his podcast No Homework, celebrity roasts, Wings album covers, bad abbreviations, contact lenses that ease depression in mice, the insect with the biggest nuts, self-recognition in beluga whales and the link between sleep duration and accelerated aging.

Comedian and former paramedic James Frey (@jamesfreycomedy) joins Andy, Jesse and Matt to talk about firefighter dreams and emergency medicine reality, James' Ventura comedy show, giving CPR in civilian life, a woman (well, women) who couldn't burp, getting fobbed off, sucker fish hiding in manta rays' butts, a quantum battery breakthrough and missing scientist conspiracy theories.

Comedian Shane Mauss (@shane_mauss) returns to the show to talk about his upcoming comedy special TRIPS: The First Dose, how LSD affects blind people, misophonia's link to anxiety and depression, the goring of a matador's ass, plants 'hearing' rain coming and Shane's comedy/science podcast Here We Are.

Comedian Brandie Posey (@brandazzle) returns to the show to talk with Jesse, Andy and Matt about the geography of Jersey, Brandie's label Burn This Records and her new comedy special Milk Job, Andy's other ska band, why humans can't regenerate limbs, a huge volcano refilling with magma, the dude who got both his arms reattached in 1992, whether Yellowstone is due for an eruption and Fruit Love Island.

Comedian/speechwriter Chandler Dean (@chandlerjdean) joins Jesse, Andy and Matt to talk about his show Abolish Everything!, Jesse's over-the-top stuffed animal purchase, poop speed as a health indicator, the Bristol Stool Chart, medical fake poo, Jesse's obsessions with fake foods, giant stuff and really tiny stuff, Artemis II's avatar crewmates, the magic of Tiny Empath Babies, videos of Tiny Empath Babies and more videos of Tiny Empath Babies.

Comedian Amber Preston (@prestonparty) returns to help Andy, Jesse and Matt celebrate the big six-oh-one and talk about Artemis II, frozen urine in space, a microbe that makes you stronger, Trump's insane handshakes, sharks testing positive for cocaine and sperm difficulties in zero-g.