Jensen Ackles:It's the only time in my life I've h

Things are about to get really intense on "Supernatural." Now that Sam and Dean have put Amelia and Benny, respectively, behind them, the show is gaining momentum and hurtling toward yet another epic battle between good and evil.

But when we visited Jensen Ackleson set last week, before we got to talking about the drama to come... we had to revisit the closing scene in "LARP and the Real Girl." We just had to.

In real life, Ackles is a little more reserved than his character -- so parading around as William Wallace in lace-up boots in front of a field full of extras wasn't exactly his favorite day on set. "There may have been a flask hidden in my costume somewhere," he jokes.

The best part? The long wig was his idea -- sort of. "Not really my idea -- it was more of a joke. It was more of a joke that was taken the wrong way," he tells us.

He put the wig on for fun when he found it in the hair and makeup trailer, and he was shocked when Executive Producer Bob Singer told him to keep it on.

"It's the only time in my life I've had longer hair than Jared," he laments. But as it turned out, the hair was the least of his worries; watch our video below for a fun little preview of what's coming on the Season 8 blooper reel.

We shot the video interview in Dean's new bedroom, which isn't any fancier than their usual motel digs, but does have a pretty snazzy weapon rack on the wall and Dean's very own record player. In fact, the props department had removed some of the cooler records from the set -- in fear that Jensen might steal them, he teased. The bedroom set is part of theextraordinary Men of Letters bunker that was revealed in last week's episode, but don't worry, Impala fans. Even though the Winchesters now have a "batcave," stocked with new weapons and new information, the show is still about being on the road.

"When the car went down during the Sera years, I think that hit really hard," says Ackles. I know it effected me. I was complaining. I'm not one to complain about stuff, I'm not like 'Sam has more lines than Dean!' I could care less ... but the car is back, and the car is something that I was like 'Listen, guys, seriously.' I think when Jeremy [Carver] came in, he was like 'Why is the car...?' The car is an essential part of the show and it will continue to be."

Watch the video below for more from Ackles -- and we'll reveal Part 2 of our interview with him next week. Tune in to "Supernatural" Wednesday nights at 9 p.m. EST on The CW.