The tetracoccal TWiM team visits Tardigrades on the Moon, and the twelve year quest to isolate an archaeon that provides insights into the emergence of the first eukaryotic cell. Links for this episode: Tardigrades on the moon (Mashable) Meet the Tardigrade (WaPo) Archaeon at prokaryote-eukaryote interface (bioRxiv) Subscribe to TWiM (free) on iTunes, Google Podcasts, Stitcher, Android, RSS, or by email. You can also listen on your mobile device with the Microbeworld app. Become a Patron of TWiM! Music used on TWiM is composed and performed by Ronald Jenkees and used with permission. Send your microbiology questions and comments to twim@microbe.tv