Grab a hanky. Still in its 50th anniversary year, ABC's General Hospital will celebrate yet another milestone on Monday, Feb. 24 when it airs its 13,000th episode. The occasion is joyous, to be sure, but it will also mark a heart-wrenching turn in the star-crossed marriage of Dr. Robin Scorpio (Kimberly McCullough) and Dr. Patrick Drake (Jason Thompson). Is this the end for GH's most popular couple? Check out this exclusive TV Guide Magazine preview!