The three look thrilled to arrive in this video with director Ava DuVernay, and it's about to become obvious why.
Oprah shared a shot of majestic mountains surrounding a lake. "Around every corner yet another breathtaking view," she wrote.
"This is what I see on the the ride to work every morning. Crystal blue Lake Hawea," she captioned another photo. Why can't all our jobs be like this?
Kaling shared a picture of herself lounging in a hot tub with makeup artist Cindy Williams.
They even got to spend some time away from the set. Witherspoon made it to a yoga retreat in South Island while she was in the country. "What an incredible experience I had at @aroharetreats in South Island NZ!! The amazing yoga (thank you @damianchaparro), the delicious vegan meals, and the incredible spa treatments were unreal!" she wrote.
As if that weren't enough, she got to ride a horse.
The movie's about a 13-year-old and her five-year-old brother searching for their father in another dimension. It's based on the 1973 Madeleine L'Engle novel, which also inspired a Canadian TV movie in 2003.
It's a promising team, not to mention a beautiful setting, to bring this childhood favorite to life.