Some of the best episodes of "Young Sheldon" are more painful than funnyand Regan Reward, who plays Missy Cooper on The Big Bang Theory spin-off, understands this feeling better than anyone—literally. Season 6's "Stolen Truck and Goes on the Llam" sees Missy steal a truck and hit the road because she's mad at her parents, resulting in a fun tale of teenage angst. Filming Missy's road trip wasn't fun for Reward, however, as she got into a car accident before filming that day.

Revord detailed the experience for her Instagram account, revealing that a drunk driver crashed into the vehicle she and her mother were traveling in on their way to the set. While the "Sheldon Young" star appreciated the irony of getting into a collision on the road before filming this particular episode, she noted that the experience affected her. In your own words:

“I had full blown panic attacks and PTSD for weeks after the accident and the only way I got through it was because of the kindest and most supportive cast and crew. They checked in with me along the way and never made me feel like finishing the shoot was a priority, that my well-being came first."

Revord has since elaborated on the experience and how it affected her, explaining that it shook her deeply. And luckily, she got through the ordeal with the help of her "Young Sheldon" co-star.

"Stolen truck goes on the lam" he sees "Young Sheldon" character Paige Swanson (McKenna Grace) accompanies Missy Cooper on her road adventure. The characters are good friends on the sitcom, but McKenna Grace turned out to be an even better friend to Reagan Reward behind the scenes.

"She was in my trailer, holding me, and I was sobbing my heart out," Revord said. ET as you reflect on the traumatic experience. "It was nice to have a really good friend there who was just there to help you through something that was traumatic."

Revord also recalls having a panic attack after the accident, forcing her to call her father to come pick her up, as she felt safer traveling home in his truck. Fortunately, the experience didn't affect her confidence to return to the set in the long run, as she played Missy on Young Sheldon until the sitcom aired its final episode. Furthermore, Revord has since returned to the franchise on occasion cast member of spin-off Georgie and Mandy's First Marriage.so viewers can look forward to more Missy appearances moving forward.