“It’s a long-percolating movie, like all our movies,” Peter explains toEntertainment Weekly.

They take a while to get there, and this was the case with this one."

Once they were happy with it, Bobby agreed to direct, and the rest is jingle bell history.

DEAR SANTA Jack Black, left, and Robert Timothy Smith

Jack Black (L) and Robert Timothy Smith in ‘Dear Santa’.Jessica Miglio/Paramount

Liam isn’t a very strong speller and addresses the letter to Satan (Jack Black) instead.

Satan, who never gets letters from kids, is flattered and goes to meet Liam.

Hijinks, chaos, and hilarity ensue.

DEAR SANTA Jack Black, left, and Robert Timothy Smith

Jack Black (L) and Robert Timothy Smith in ‘Dear Santa’.Jessica Miglio/Paramount

“We never wanted to make it a horror movie or something like that.

We wanted it to be comical.

And Jack was the perfect guy.”

DEAR SANTA L-r, Hayes MacArthur, Keegan-Michael Key and Brianna Howey

(L-R) Hayes MacArthur, Keegan-Michael Key, and Brianne Howey in ‘Dear Santa’.Jessica Miglio/Paramount

(Black’s photo would later form the basis of the character’s overall look inDear Santa.)

The film also featuresKeegan-Michael Keyin a, well,key, role.

Dear Santaalso features a cameo by Post Malone, who plays himself.

DEAR SANTA L-r, Robert Timothy Smith, Jaden Carson Baker, Jack Black and Post Malone

(L-R) Robert Timothy Smith, Jaden Carson Baker, Jack Black and Post Malone in ‘Dear Santa’.Jessica Miglio/Paramount

But he was great, and he was so much fun to work with.

I would love to work with him again," the director adds of the singer.

But fans of their beloved comedies needn’t worry about them straying too far from their usual sensibilities.

DEAR SANTA Director Bobby Farrelly, left, and Jack Black ON SET

Director Bobby Farrelly (L) and Jack Black on set of ‘Dear Santa’.Jessica Miglio/Paramount

“It is a family story because it is Christmas.

But you know what?

And, he teases, “There’s a nice twist at the end.”

Still, viewers should expect to laugh around all the warm fuzzies.

“It’s funny as s—,” Peter says.

“It really is.

It’s got funny, funny stuff.

It’s a little edgier than a lot of Christmas movies, but it’s notBadSanta.”

He continues, “I loveBad Santa.

It’s classic, but that’s a different kind of movie.

And this isn’t that.

Honestly, that’d be like comparingDumb and DumbertoThere’s Something About Mary.

This is theDumb and Dumberversion.”

“Yeah, we need to laugh,” Bobby says.

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