In this week's episode, Brandon and Gabby discuss extraterrestrial life. They talk through some of their personal theories and beliefs, theoretical categorization of interplanetary civilizations, and various theories from around the internet and scientific communities 

Links to the sources: 

Kardeschev Scale - https://en.m.wikipedia.org/wiki/Kardashev_scale

Why Haven't We Found Aliens? - https://inebriatednovelist.tumblr.com/post/172822164183