Writer/performer J. Elvis Weinstein (@JElvisWeinstein) joins Matt and Andy to talk about being in the original cast of Mystery Science Theater 3000, figuring out which of the echidna's numerous penises get erect, invasive species hitching rides on ocean litter, Australia's largest dinosaur, pupil size as an intelligence marker, first views of a giant moon rocket, the anonymous rich person hitching a brief ride into kind-of space with Bezos and Matt's upcoming live shows in Fort Collins and Boulder, Colorado.