Will Ferrell Tries to Win His Kids' Respect in 'Daddy's Home'

The comedian dishes on co-starring with Mark Wahlberg in the modern family comedy.
5:37 | 12/16/15

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Transcript for Will Ferrell Tries to Win His Kids' Respect in 'Daddy's Home'
I'm so happy to be here with our friend will Ferrell who is facing off with mark Wahlberg in a funny new movie called "Daddy's home." Will is the ultimate nice guy stepdad trying so hard to be perfect for his kis and mark and his rebellious dusty character rolls back into town, the perfect dad. Take a look. Good night my little one. Good night. I almost forgot my famous good night back scratches. So relaxing. So relaxing. Good night sweetie, bear. Who wants 20 bucks. Me! What? This is wrong on so many levels. Yeah, it is. Dusty is a horrible person. The ultimate one-upsmanship. That's kind of where the fun ensues with the movie. You know, I play the stepdad to mark's kids and I'm the world's greatest dad and he comes back into the picture and I think it's a good thing for our family and, you know, to show that I'm not threatened by his presence -- Very modern concept. Very modern concept. Blended family. A horrible decision. Horrible. Absolutely horrible. On so many levels. It actually gets quite physical. Yeah, there's -- I'm stuck in drywall at some point. I am shocked by -- in power lines riding a skateboard and brought back to life by mark. That was nice of him to bring you back to life. That was nice. Yeah, it's -- a lot of great physical set pieces in the movie. It's neat because Reading it it doesn't surprise me to read that there was a thought about you playing mark's character. That it could have gone either way. I could have -- I could have played the dusty role but I didn't want mark to feel intimidated and because he has self-image, you know, his ego is very -- Fragile. Very fragile so I thought I'd take the more conservative role. All right. Yeah, just -- let him shine. You're a giver. You know. Thank you because you threatened me and said you will only answer in one-word answers. You're emoting. Oh, my god. I can't thank you enough. You and mark worked together before. Is this just a silly fun reunion. Yeah, we worked five years ago. We did a film called "The other guys" and had such a great time and really hit it off well. It was just a matter of time before we teamed up -- Keeping your eyes out for something to do. Exactly and mark is -- well, he does a lot of drama he's so gifted as a comedian and we approach things the same way. We like to play it straight and no matter how heightened the circumstances are and let the comedy kind of come through that way. Happen and a different approach is Billy Eichner -- Billy on the street, yes. You recently threw on your onesie, obviously and hit the streets with him to torture new yorkers with Christmas trivia. And shot on a 98-degree day in the middle of July so that little onesie I'm wearing is just filled with sweat. Oh. Yeah. Wow. Yeah. But, yeah, we ran through the streets of New York shocking people which if you've ever seen his show that's kind of his whole M.O. With these crazy questions. I love that you are asking people or he's asking people favorite Christmas movie. Right. "Scrooged" or "Elf" and you're standing right there. "Scrooged." Most -- nine out of ten said "Scrooged" even with me standing there. But you know "Elf" is in our hearts. "Elf" is -- it's surprising how, you know, each year it just gets higher and higher on people's lists and I wouldn't have predicted that. Running around the streets of New York dressed as an elf, I thought this could be my last movie. This could be my last movie easily. This could easily be it. And it went the other way so I feel so fortunate and so glad that's become part of the, you know, lexicon. So big that you now have a fan in New York on the lower east side who created a bar for you. Very -- Called stay classy. Very strange. A real bar. A will Ferrell themed bar. My mother Kay who's in the studio. Mom, you went there, right? I wonder which drink she had. Do you remember what drink you had, mom? I think it was a peppermint pomegranate. The smelly pirate hooker? Oh, no. Boy, okay. Well -- I know that's one of the drinks. I really like the son of a nutcracker which is the fireball, rum chat, nutella and eggnog. We're going streaking. "Old school" streaking. Help me, Tom cruise. Did we just become best friends? Oh, there's mom. Mom, do you remember which movie you drank from? Which themed movie? I don't remember. That's probably because it was a good drink. Well, mom must be very proud, I'm glad you guys are having a little time together. It's nice. Will you be heading to the lower east side. We're going there right after this. Yeah. It's 5:00 somewhere. I think they're open. Hey, listen, congrats on everything. Please give your wife my love. I sure will. And you're hanging out. I'm hanging out. Going to do some coloring. Oh, with robin's adult coloring book. Everybody, meantime, please put this on your list. "Daddy's home" is so funny and it opens on Christmas day.

This transcript has been automatically generated and may not be 100% accurate.

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