“It very much comes full-circle,” star Iain Armitage teased.

AsYoung Sheldongears up to say its final “bazinga!”

the cast is prepping fans for a “bittersweet” ending.

Iain Armitage, Zoe Perry, Lance Barber, Raegan Revord, Montana Jordan, Annie Potts, and Emily Osment on ‘Young Sheldon’

Iain Armitage, Zoe Perry, Lance Barber, Raegan Revord, Montana Jordan, Annie Potts, and Emily Osment on ‘Young Sheldon’.Pamela Littky/CBS

“So I think people will be really moved by the ending of this.

It’s a big chapter closed.”

As for filming itself, Perry said it’s been “very bittersweet” for the cast.

I think we’re just so appreciative.

“Just because the show’s ending don’t mean we’re not going to continue being a family.

That’s what kind of bond we got.

Young Sheldonairs Thursdays at 8 p.m.

ET on CBS, and the finale is slated to air May 16.