WATCH: Old Navy Reunites Jason Priestley With '90210" Co-Star in New TV Ad [VIDEO]

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And There's More 90210 Reunions on the Way!

Old Navy is becoming the TV Land of commercials: first, the retailer highlighted A-Team star Mr. T, then reunited Blossom co-stars Mayim Bialik and Joey Lawrence for a spot and now they're featuring Beverly Hills 90210 cohorts Jason Priestley and Gabrielle Carteris for a new back-to-school commercial.

Priestley, who will forever be dreamy Minnesota-to-Beverly Hills transplant Brandon Walsh in our '90s TV-lovin' hearts, plays a teacher in the new clip, which finds his students wowed by a "new" girl … she's not new, it turns out, she just has a rockin' new wardrobe, from Old Navy, of course.

Read: Luke Perry, Jason Priestley Reunite For Western Movie

But the commercial includes a little surprise as the end, as Priestley's Beverly Hills 90210 co-star Gabrielle Carteris pops up as another teacher, who -- and we won't spoil it in case you haven't seen it yet -- whispers a little secret about her fellow teacher (we always knew it, Andrea!).

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The best news for fans of the original 90210: this, reportedly, is not the last cast reunion we'll be seeing courtesy of Old Navy.

Last month, 90210 star Jennie Garth tweeted a photo (see above) of her with Priestley and another co-star, Luke Perry, which was rumored to be taken on the set of an upcoming Old Navy commercial.

Doesn't this all make you want to pull your Brandon and Dylan dolls from your closet and re-read all those "I Hate Brenda" newsletters?

Read: 'Blossom' Stars Featured in New Old Navy Commercial [VIDEO]

By the way, what are the chances that Shannen Doherty will take time from her busy online college commercial filming and reunite with the 90210 gang for Old Navy? A BH fan can dream …

In the meantime, watch the "New Girl" Old Navy ad with Jason Priestley and Gabrielle Carteris below: