cameron mathison just sat down with the hollywood legend who's clearly enjoying her return to the spotlight. >> you won your first emmy in 1962 over your incredible career, six emmys in total, where do you keep them? >> i have a shrine. i'm kidding.

. >>> cameron mathison is on location in canada and i have to say, i'm kind of lovin' the scuff, cam. a movie i'm shooting here in winnipeg, which is an absolute vacation compared to my latest attempt to become an "american ninja warrior." this was my chance at redemption after ending up in the water last year. i was determined. my ego was on the line. this is what it went. this is a reunion of sort. oh, no. oh, my goodness. i think i'm ready to try. >> yeah, you are. >> oh, boy, who wants to go swimming in las vegas? today's challenge is as tough as it gets. this is the las vegas finals course which means only the best of the best will make it to this level. the vegas finals start monday on nbc. warming me up is veteran ninja natalie duran. >> don't think too much, mathison. >> go go go cam go! >> show the obstacle what you got. >> go go go cam go! oh, no. okay, well, redemption, not quite yet. >> after changing into some fresh clothes, the moment of truth. last words before i go. >> have fun with it, that's really the key with it. >> cameron mathison, known for his incredible hair a

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cameron mathison found out. >> for me, intermittent fasting is the most effective method i have everd. >> some of the select that you train and you work with. >> i have been working with steve harvey, brooke burke. i had the privilege of even working with khloe kardashian for revenge bodies. hear the wo and they just freak out. what is it? >> intermittent fasting is where you eat for an eight-hour window and you can drop up to a pound a day. >> the first meal of the day should be eaten around 11:00 a.m. and the last bite around 7:00 p.m. during those 16-food hours, your body has a chance to do repair work. when it's time to eat, he recommends a diet consisting of whole foods. >> 50% fat. 40% protein and the rest in carbs. >> fresh vegetables. as a treat, avocado cupcakes. you can drink hot coffee or tea spiked with fat during the fasting. >> a pinch of himalayan sea salt. >> incorporate hiit training for maximum results. dr. travis stork from the doctors has a word of caution. >> anyone with a pre-existing medical condition it's not worth it. if you're healthy, run it by your doctor

cameron mathison just sat down with the hollywood legend who's clearly enjoying her return to the spotlightmy in 1962 over your incredible career, six emmys in total, where do you keep them? >> i have a shrine. i'm kidding. >> you pay homage to yourself? >> i polish them all the time. >> actually, carol keeps her emmys in her office at home. her latest nomination is for her 50th anniversary celebration special. if she wins, she says she'll celebrate with a nice dinner out. the queen of comedy, whose groundbreaking variety show premiered in 1967, and ran for 11 seasons, is still in high demand. >> we were talking to rachel bloom, the star of "crazy ex girlfriend," they are going into their last season. well, she's got a wish. >> hopefully, we're going to find a part for carol burnett. it's ridiculous that we haven't and we're angry at ourselves. >> oh, how cute. that is really adorable. >> does that make you realize even more so what you've meant to tv comedy and television? >> well, when i hear it, i'm very flattered. but my take on it is that if i'd never been born these people would be do