Katherine Heigl is excited for her upcoming run on “Suits”.

Heigl, 39, is gearing up to star as Samantha Wheeler on the hit drama, but before taking on her new role, the “Grey’s Anatomy” alum was a huge fan.

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The actress posted a promo video for the new season on her Twitter account testing her knowledge about the show.

“I’m either kinda a scary stalker kind of fan of ‘Suits’ or just a really BIG one who’s slightly geeky in my fandom,” she captioned the clip. “You decide!”

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Heigl nailed all the questions, like, “Donna and Harvey’s secret ritual involves what item?”

“A can opener,” she answered correctly.

Heigl’s entrance on the hit series follows Meghan Markle’s departure from the show ahead of her marriage to Prince Harry.

Are you excited to see Heigl debut on “Suits” when it returns July 18? Tell us in the comments.

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