To celebrate the first official day of spring, Insomnia Cookies is giving fans a special deal this week only.

Now through Sunday, March 24, the late-night bakery chain is offering customers one free Classic cookie with a purchase of a cup or cone of its premium Cookies IN Ice Cream.

Also this week, Insomnia Cookies is helping customers celebrate the release of the new film Ghostbusters: Frozen Empire on Friday, March 22. Available now until March 31 or until supplies last, the collection includes:

• Slime Puft Cookies ‘N Cream Classic – A Slimer-inspired, green Cookies 'N Cream classic cookie with marshmallows reminiscent of the mischievous mini-pufts
• Frozen Empire Big Dipper – A frosted take on the classic Big Dipper. Four Classic cookies paired with a scoop of ice cream and choice of topping for dipping
  • Comes in a limited edition Ghostbusters box sleeve