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The cable network USA will receive a very special visit from our commander and chief this weekend as he pays his respects to the American classic, To Kill a Mockingbird.

ET's Aww Moment of the Day: Obama Signs to Student

Prefacing the film with the tale of lawyer Atticus Finch and his battle against racial injustice, President Obama will deliver an introduction to the Oscar winner on Saturday, marking the first national broadcast of the digitally re-mastered film.

In addition, the phone app Viggle ( available for download now on iTunes) is teaming up with USA to provide bonus content during the network's exclusive airing of the 1963 classic. By following along with Viggle Live, fans will receive trivia about the movie, factoids and exclusive photos and video, all synched to the live broadcast of the film. USA will match the amount of points earned by fans who check in during the broadcast and will make a donation to their Characters Unite nonprofit.

What's on The President's Tivo?

Don't miss the special event airing this Saturday, April 7 at 8 p.m.