Talk about out of this world! After 15 long years, the cast and executive producer of hit science fiction television series, “Roswell,” reunited in the most anticipated panel of the 2014 ATX Festival -- or at least, that’s what our Twitter feed suggested when our account flooded with alien-related tweets the moment Jason Katims picked up a mic.

The show’s developer was joined by Shiri Appleby (Liz Parker), Jason Behr (Max Evans), Majandra Delfino (Maria DeLuca), Brendan Fehr (Michael Guerin) and Nick Wechsler (Kyle Valenti) at the Alamo theater in Austin, Texas, where the six dished on everything from behind-the-scenes shenanigans to the question of whether or not the cast believes in extraterrestrials.

Yes, you can thank Nicole “Snooki” Polizzi for that gem; she was anxiously sitting in the audience. Apparently the “Jersey Shore” star also has a soft spot for “Roswell,” proving the series touched the hearts of viewers from across the board -- even the seriously tanned ones.

Once the festival finished presenting the show’s pilot episode (which aired Oct. 6, 1999), the room filled with hoots and hollers as the cast and crew entered the stage.

So, what did they have to say about their experience on the show that lasted for three glorious seasons? Well, their answers brought more heat to the Alamo than a whole case of hot sauce, which of course we all know is an alien delicacy!

Check out the most interesting comments made from the 15-year-reunion of “Roswell” below.

Predictions on where the cast sees their characters now in their lives:

“I’d have 3 or 4 alien babies,” Delfino said to which Fehr responded, “So we’re still together?”

“I don’t know!” she replied, before quipping that Maria probably would have ended up with Katherine Heigl’s character Isabel Evans. Behr chimed in explaining that would be one heck of a relationship.

Jason Behr has the world’s best memory:

Behr surprised fans -- not to mention the “Roswell” crew -- when he recited the titles of all his favorite episodes from the past three seasons, which included “Toy House,” “Independence Day,” “A Roswell Christmas” and “Cry Your Name,” to name a few. Just another reason to add to our extensive list of why we love Behr.

Katim explained why he wanted to turn Melinda Metz’s series, “Roswell High,” into a TV show:

“It was an idea I never would’ve come up with on my own,” the EP admitted. “It seemed like an incredibly romantic idea to me, these two characters, Liz and Max, being in love but having this very real thing that kept them from being together. I’d never worked on anything that had the kind of stakes that this show had… That was the thing that I was drawn to, and I was also drawn to the fun of the idea.”

Appleby, who start her acting career at the age of three, revealed why her experience on “Roswell” was her “first, real acting gig”:

“‘Roswell’ was the first time I had a real story and was given a lead,” Appleby revealed. “I think I was so excited to have a real character, something to grasp onto. I was at the same age, excited about falling in love for the first time, sort of feeling a little uncomfortable with myself. Jason’s writing is so good, it was so easy to sink into it emotionally -- every script I would get that was his, it felt like a really well written fit for me. I look back on this character and this time with so much fondness.”

Who originally auditioned for what role on “Roswell”?:

During the reunion, the cast revealed what role they originally auditioned for prior to the premiere. Fehr admitted that he tried out for the role of Max but eventually felt a deeper connection to Michael’s character due to the “outsider of the outsiders” aspect while Appleby auditioned for both the role of Maria and Liz.

Delfino explained the hardest experienced she faced after “Roswell” ended:

“I had a really hard wake-up call leaving the show, going onto other projects where the writing, the dialogue required so much more from me, workwise, to make it ring true,” she said. “That was a big learning experience where you realize, ‘Wow, my first big job was so easy.’ You’d read your dialogue and know it after one pass because it was so exactly what you felt and what you knew, and then you get out there into the business and don’t necessarily encounter that every time. What we were handling was grade-A material.”

The most significant memory the cast has from their time on “Roswell”:

“The hair. There was a lot of hair going on,” Behr joked about the cast’s ’90s style.

Nick Wechsler explained the method behind his madness on screen:

During the panel, the actor (who you can catch on the ABC series “Revenge”), revealed why he might have seemed a little off on set:

"Remember how f---ing weird I was? Remember?” he said giving fans a laugh before adding that he was deemed the least “actorly-actor” by Katims. “I would try to entertain myself -- I would find moments to do weird s---, or give it a slightly weird read. I look back on this time so fondly, because I loved not knowing any better. I always felt like, ‘I’m not really an actor.’ I had to learn so much over the course of it, but [Jason] started to tweak it in the direction of my strengths. Once it ended and we went out into the acting workforce, we had a harder time with other dialogue.”

Fehr’s wildest moment in the States:

The Canadian actor (who you can catch on the new NBC drama “The Nightshift”) revealed that he received a reality check once stepping off the boat when he ordered a $15 hamburger.

“I couldn’t stop talking about it for weeks,” he said.

“I remember,” Delfino added with sass.

Where were Katherine Heigl and Colin Hanks?:

The two “Roswell” stars reached out to disappointed fans on Twitter on why they wouldn’t be appearing side-by-side their former co-stars.

Can you believe it has been 15 years since "Roswell"? What was your favorite episode from the series? Who was you favorite character and why? Sound off in the comments section below.

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