Jake Kasdan's Bad Teacher was one of the best surprises in theaters this year.  I assumed that because the TV spots all relied on Jason Segel's joke about LeBron James, there weren't many laughs elsewhere.  But I assumed wrong and Bad Teacher turned out to be one of my favorite comedies of the summer.  The film was a hit at the box office and to promote the upcoming Blu-ray and DVD, Sony is offering free screenings of the film tonight and Saturday at midnight.  If you don't have plans for those two nights, now you do.

Click here to get your ticket.  Bad Teacher hits stores in an unrated edition Blu-ray/DVD combo pack on October 18th.  The film also stars Cameron Diaz, Justin Timberlake, Lucy Punch, and John Michael Higgins.  Hit the jump for the film's synopsis and trailer.

Hat tip to Blu-ray.com.  Here's the trailer:

And here's the official synopsis for Bad Teacher:

Some teachers just don't give an F. For example, there's Elizabeth (Cameron Diaz). She's foul-mouthed, ruthless, and inappropriate. She drinks, she gets high, and she can't wait to marry her meal ticket and get out of her bogus day job. When she's dumped by her fiance, she sets her plan in motion to win over a rich, handsome substitute (Justin Timberlake) - competing for his affections with an overly energetic colleague, Amy (Lucy Punch). When Elizabeth also finds herself fighting off the advances of a sarcastic, irreverent gym teacher (Jason Segel), the consequences of her wild and outrageous schemes give her students, her coworkers, and even herself an education like no other.

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