Armisen brings his droll humor to one of the films more iconic moments as an intimidating elf.

Its just, you pick right up and start talking away.

The live experience ofSNLwill no doubt come in handy when it comes to bringing a live musical to television.

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Credit: Jordin Althaus/Fox

Rudolphpreviously told EWthat live performance gives her more adrenaline and energy, but otherwise this broadcast is another animal.

Armisen echoes these sentiments, saying, Its different, but it helps a lot.

It helps not being scared of the word live.

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And I think they are really holding this show up on their shoulders.

Never fear, all those moments are here and then some.

This is an additive experience, not a replacement experience, Cary says.

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Fox

We basically kept everything thats iconic, and then we have room for more, adds Tolins.

Tolins and Cary said they appreciated the film when they took on the project but werent rabid fans.

Read more about the creation of the songhere.

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Ray Mickshaw/Fox

In the original movie, the narration is all voiceover, Tolins says.

Andy Walken is quite the discovery as young Ralphie Parker.

And yet, none of this would land quite as well without Brodericks journey alongside him.

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Have a box of tissues on hand for the end of the show.

A Christmas Story Liveairs tonight at 7 p.m.

ET (tape-delayed PT) on Fox.

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Jordin Althaus/Fox