>> yo don't. >> stephen: please welcome back to the "the late show," betty gilpin! stephen: nice to see you again. always lovely to talk to you. we just saw a bit of the new series there, "american primeval." it looks wild. it's a wild west. it makes sense. who do you play and what's it about? >> betty: i know this. i play sara. >> stephen: you didn't know there was going to be a test? >> betty: i didn't. i play sara and it is set in 1857 and what is now wyoming and nebraska and colorado. the untouched west at that time. that particular scene peter berg is the director and -- >> stephen: "friday night lights." pts. the shoot was wild and unpredictable, like the west. that particular scene i wasn't even supposed to work that day. that take i was at my chair eating m&ms looking at my phone. he was like "gilpin, get in here, we are doing your scene!" i had m&ms in my pocket. >> stephen: you were cold on your lines. >> betty: always off book. >> stephen: you ride a horse a lot. did you go into it as a horseman or horse woman? are you a gifted rider? >> betty: i thought i

tune in tomorrow where my guests will be josh gad and betty gilpin.

and betty gilpin, who's also on broadway right now doing "oh, mary!"st, people have really shown up. and it has been so moving and so touching to see that. >> jimmy: iain was your son on, when you did -- yeah. [ audience aws ] this was when he did -- >> yeah, that's little ziggy. >> jimmy: "big little lies." but dude, i -- i didn't realize this, 'cause obviously i loved the show, but he's young sheldon. >> yes, he -- this is the young sheldon. >> jimmy: he crushed it. he's amazing. >> yeah, he's a superstar. >> jimmy: here's you guys backstage. >> he's a total superstar. >> jimmy: yeah. [ audience aws ] >> and he's so smart and wise, and has a good heart. it's just been beautiful to watch him grow. >> jimmy: i'm so happy. and "big little lies 3," of course, that's coming soon, yeah. [ knocking ] >> we hope. [ cheers and applause ] >> jimmy: i tried to get you to sneak -- >> we hope! >> jimmy: i tried to get you to sneak in something. >> i wish i knew. if i had information, i would blast it out to everyone to make sure it absolutely happened. >> jimmy: