Mat Kaplan has been hosting the Planetary Society’s podcast, Planetary Radio, since its inception 20 years ago. He recently announced that he was retiring from the program, with Sarah Al-Ahmed taking his place. Managing Editor T. Rick Jones wanted to talk to him before he left the show and also wanted to meet his successor. This video is the result. It turns out they’re both huge Star Trek fans as well as space nerds, so there was lots to geek out about! Plus, it’s the return of T’s Trek Trivia (sort of.)