Joel McHale isnt lowering anyones expectations forThe X-Files season finale.

Its going to be the greatest of all time, McHale told EW.

ENTERTAINMENT WEEKLY: What can you tease about the finale?

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Credit: Ed Araquel/Fox

JOEL McHALE:I finally become the main character that I always thought I would be.

ItsThe Tad OMalley Filesafter this.

I think everyone wants that.

Everyones been demanding that …

I will say this: All hell is breaking loose.

There have been a lot of promises made over the last few episodes, and this will not disappoint.

When Tad romanced Scully in the premiere, were you worried that fans would have it out for you?

Why do you thinkThe X-Filesstill appeals to so many people?

I think what Chris Carter did was a very rare thing.

It just doesnt happen that often.

And on top of that, there are numerous hilarious episodes truly funny and that rarely happens.

He just kind of invented something that hadnt been done, and no one has duplicated.

No ones gone 212 episodes.

I mean, when that first episode aired and 50 million people watched, it was no joke…

But thats my explanation for it.

I couldnt believe I cant believe Im a part of it.

How was the experience on set?

Ive been on a few sets where things are poison.

It starts at the top, and crew turns over because they are fed up.

Its not a very happy place.

On top of that, David Duchovny and Gillian are delights on set.

Did you make a run at play it cool about what a fan you are?

I didnt want to get on there wearing, you know, like anX-Filessweatshirt with an alien head.

Like I had been sussed out.

Im like, Yes, I am.

What are you going to do about it?

Some of it could be on prompter and some of it couldnt.

Chris Carter doesnt play around with his monologues.

No, hes not messing around.

So I have Dan Harmon to thank for that.

No, it was the same.

People were having a good time.

People were happy to be working on it, because they knew how cool the show was.

It was pretty quick … Id just be like, Im here, Im available.

So theres a chance ifThe X-Filescomes back that we might see Tad again?

I would like to.

I mean, my character gets killed badly in this episode so maybe not.

No, Im not going to say if I get killed.

But if they do more episodes, Id be there in a New York minute if they want me.

As a fan, what would you want to see from the show in the future?

And Id be like, a.)

I dont know, b.)

Im not funny or smart enough to know or even guess.

And thats why Chris Carter is a genius and Im not.

I could make up all sorts of stuff, but it would be really off and wrong and sad.