'Nurse Jackie' Season 4 Promo: Welcome to Rehab (Video)

Ken Regan/Showtime

"Nurse Jackie"

Nurse Jackie is going to "Disneyland." But in Jackie's world, the Happiest Place on Earth is rehab.

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In the first teaser for the dramedy's upcoming fourth season, Jackie's (Edie Falco) past is catching up with her and the drug addict cashes in her vacation days as she prepares to detox.

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"You're only as sick as the secrets you keep," she says in the clip setting off a string of highlights (lowlights?) from her tainted past.

Check out the teaser below and hit the comments with how funny Merritt Wever's Zoey is when she says, "I had no idea that you didn't go to Disneyland."

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