https://www.cnet.com/news/adam-savage-reveals-his-reason-for-returning-to-mythbusters-discovery-channel/

After nearly 15 years creating mind-blowing experiments and entertaining generations with STEM hijinks, you might think MythBusters co-host Adam Savage had gotten his fill of pyrotechnics and car crashes in the name of science.  

But when Discovery Channel came calling again for him to host MythBusters Jr., it was the word "junior" that got him excited about putting the safety goggles back on.