"It’s official," Reba McEntire tweeted last week, sharing, "my episode of @nbcwdytya will premiere on Mar. 2!" She was referring to the third season of NBC's ancestry searching show 'Who Do You Think You Are?,' which will unmask McEntire's family past. Each season, the show follows celebrities as they dig into their histories, their ancestry and the stories of the people who made their lives possible to begin with.

In this teaser preview of season three, McEntire is seen stepping onto a boat and gets emotional as she says, “Wow, I wanna know why that little boy was on the ship. I don’t think I’ll ever be able to rest until I know why.” It's just these questions that keep people searching and traveling the globe to dig up pieces of the past.

Another scene shows McEntire standing alone on a green grassy area in the courtyard of what looks like an old school or a cathedral in a European country. Looking around, she says with a bit of awe in her voice, "This is pretty cool that I’m standing right here where my seven times great grandmother and grandfather are buried. This is really cool."

Other celebs joining the country queen on this season's journey include actresses Helen Hunt, Rita Wilson, Edie Falco and Marisa Tomei, as well as actors Blair Underwood, Martin Sheen and Rob Lowe and former NFL player Jerome Bettis. The show will premiere Feb. 3 at 8PM ET, and McEntire's episode will air at the same time on Friday, March 2.

Watch a Preview of Reba's 'Who Do You Think You Are' Episode