It's getting wild and crazy here on day 1!!! @dontgo_jasonwaterfalls @shondalandtv

A post shared by Jay Hayden (@jayhayden00) on

The Grey's Anatomy spinoff may not have a name yet—that we know of—but that hasn't stopped the ABC midseason replacement from going into production. And star Jay Hayden is already giving Shondaland fans a sneak peek at day one on set!

The TGIT vet, who starred in both seasons of The Catch, shared a hilarious video on Instagram featuring himself and co-star Barrett Doss sitting together in what looks an ambulance. "Hollywood! Non-stop action here on day one," he says as he films an empty parking lot through a rain-streaked windshield. "Non-stop action. Barrett, how's the action today?"

"Hot," his co-star shouts as she scrolls through her own phone, causing Hayden to burst into laughter. "And fast!"

"Oh my god, it's intense you guys," he jokes, turning the camera back on himself. "This is crazy!"

The action may not be too hot yet on the Seattle firehouse-set, but the information on the series is beginning to spread like wildfire. For all the details on the still-untitled spinoff, which will see some of its characters introduced in an upcoming episode of Grey's Anatomy, be sure to keep scrolling!

Grey's Anatomy Season 13


Jaina Lee Ortiz

Jeffrey Mayer/WireImage

Jason George, Grey's Anatomy


Grey Damon

Michael Tran/FilmMagic

Barrett Doss

Desiree Navarro/Getty Images

Danielle Savre

Ben Gabbe/Getty Images

Okieriete Onaodowan

Jim Spellman/WireImage

Jay Hayden, Grey's Anatomy Spinoff


Miguel Sandoval


Are you excited for the spinoff? Any ideas on a great title for it? Share your thoughts with us in the comments below!

Grey's Anatomy airs Thursdays at 8 p.m. on ABC. Look out for the spinoff sometime in 2018!

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