VIDEO : Gravity Falls Finale Will Be February 15th

Last month, creator Alex Hirsch announced that the second season of his highly-rated animated series Gravity Falls will be its last, and now we know when the series finale will air. Disney XD will air the hour-long series finale of Gravity Falls on Monday, February 15 at 7 PM. "The first thing to know is that the show isn?t being cancelled- it?s being finished. The first season of Gravity Falls aired on Disney Channel in June 2012 and then it moved to Disney XD in August 2014.