On the show today: Disney+ launched and demand was so great it caused the platform to crash for many users; Google's Project Nightingale takes in medical records and makes A.I.-driven recommendations for improved health; The game lineup for Google Stadia was announced and it's meh, wait until 2020; Snapchat Spectacles 3 launched today for $380; Formlabs introduced a new dental 3D printer; OriginClear joins to talk about agricultural waste water treatment; Smart home security systems and are they worth it; The Simpson's past executive producer Bill Oakley joins to give us his Top 5 favorite episodes; Youth concussion education with Crash Course; An eBike from Xiaomi that folds smaller than a piece of paper; And fake shooting stars just in time for the Tokyo 2020 Olympics.