. >> heather mcmahon and i look over and he's just going, bunny ears. >> bunny ears.e, oh my god, i am married to the zodiac killer. >> the comedy queen with a hit podcast and a brand new tell all special. >> and you dropped your comedy special. what else is on your vision board? >> i want to put on a wig, drive a mazda miata, smoke some menthols, and play a crazy character. >> but does her stand up ever cross the line? and remembering the centenarian sprinter, what science hopes to learn from this late blooming athlete. nightline late blooming athlete. nightline will be right back hey... how you doing? this mucus won't move out. you're gonna love this property. the guy's congestion remedy? harmless. try this. mucinex 12 hour treats the mucus that causes chest congestion for all-day relief. don't leave! it's fine! ugh! i was worried about this side of town! mucinex in, mucus out! don't mask symptoms, treat the cause. >> thanks for joining us tonight. we know that artificial intelligence can replicate voices, words, even jobs. but what if it can transform itself into y