"You're definitely not the girl I thought I'd be in the tub with," Channing Tatum's character jokes to the dog Lulu in the trailer

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Channing Tatum is bonding with man's best friend.

In the new trailer for Dog, the actor stars as Army Ranger Briggs in a buddy comedy set on a fun-filled road trip with an unlikely companion: a Belgian Malinois dog named Lulu.

The two travel in a 1984 Ford Bronco down the Pacific Coast trying to make it in time to a fellow soldier's funeral. Along the way, they "learn to let down their guards in order to have a fighting chance of finding happiness," according to an official press release.

"You're definitely not the girl I thought I'd be in the tub with," Tatum's Briggs says at the end of the trailer, taking a bath with Lulu. "But I'll take what I can get at this point, I guess."

Tatum, 41, co-directed the film with Reid Carolin. Dog also stars Jane Adams, Kevin Nash, Q'orianka Kilcher, Ethan Suplee, Emmy Raver-Lampman, Nicole LaLiberté, Luke Forbes and Ronnie Gene Blevins.

Channing Tatum - DOG
Credit: MGM

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Tatum previously wrote on Instagram about making the film, "It's already been a crazy ride. And we've only just begun. And if we survive the rest, it will be one of the most insane stories that I've ever been a part of. And I've been a part of some pretty crazy ones in this life of mine. This photo is from our first day of production on the first movie that my partner Reid and I are directing. This is our story. It's taken us two years to get it to the starting line. The next eight weeks will be like riding a bull on sickmode in ludicrous speed. God be with us. In Dog we trust."

Sharing the trailer on Wednesday, the star said on Instagram, "This process of making @dogthefilm has been one of the craziest journeys of my life! Also, if you would enjoy watching me get bit by a dog, this will be a very fulfilling and funny movie for you."

Dog is in theaters Feb. 18.