Hakeem Oluseyi (astrophysicist) talks to Chris about how he got his start in science, hosting science shows on TV, and how they are finding ways to travel through space faster. They then talk about how diverse the universe is, how he went from being in gangs to being a scientist, giving kids a chance to learn science who might not learn it elsewhere, and changing the world of science for other black scientists.

Maria Bamford returns to the podcast for a third time! She chats with Chris about getting married recently, how she and her husband make it work and struggles with mental illness. She also talks about her new show Lady Dynamite, how the show came to happen and how she got it to reflect her personality and voice so well! 

Enjoy some hostful goodness this week! The guys talk about the new podcast studio, how Jonah messed up a gift he gave to Chris a while back and Jonah talks about Hidden America coming out. Matt tells the story of his bike being stolen, Jonah and Matt get into a heated debate and Chris talks about his latest special! Also, Matt goes to the bathroom and Jonah tells a secret about him.

Chuck Lorre and Mayim Bialik talk to Chris and Matt about how Chuck got his start in television, Mayim’s career in science and television and Chuck’s time working as a musician. They then talk about Chuck writing the Teenage Mutant Ninja Turtle theme song, inspiring girls to work in science and what life is like on the set of Big Bang Theory!

Robert Kirkman (The Walking Dead) returns to the Nerdist for a third time! He talks with Chris and Matt about the backlash over the end of the recent season of The Walking Dead, they speculate who Negan did kill and how Robert never expected to have such a successful TV show. They then talk about what to expect next from the show, Robert’s new show Outcast and Robert talks about his hatred of feet. Matt and Robert also get into a debate about Star Trek! *WARNING: There are The Walking Dead season 6 spoilers!*