After a seven-month commute through space, NASA's Perseverance rover is due to arrive on Mars next week! So, some science to go with our science-fiction television on this week's episode, as El Kaiser shares his thoughts regarding later seasons of The Expanse on Amazon Prime and WandaVision on Disney+ . And J.D. has a smattering of tech news, including reports that Twitter is looking at subscription possibilities, along with resources on how to find out when you and your family can get the Covid-19 vaccine. It's all here on PTJ 350!