According to this new press release, ABC Family will be airing the Harry Potter and the Deathly Hallows: Part II teaser trailer on April 27th. The release is as follows:

ABC Family continues to be the television destination for all Harry Potter_™ fans, this time by airing the U.S. premiere of the new “Harry Potter_™ and the Deathly Hallows – Part 2” trailer on Wednesday, April 27th. The trailer will air during a showing of “Happy Gilmore,” which airs 7:00 – 9:00 PM ET/PT.

The premiere of the new trailer will give fans a glimpse at the epic finale of the “Harry Potter_™”film series, including moments from such scenes as Harry, Ron and Hermione escaping from Gringotts bank, the Room of Requirement fire storm, Mrs. Weasley taking on Bellatrix Lestrange, and Harry and Voldemort’s last stand. To get fans ready for the trailer, ABCFamily.com will be releasing one exclusive new photo from “Harry Potter_™ and the Deathly Hallows – Part 2” in support of the trailer’s premiere on ABC Family.

Thanks to SnitchSeeker