When one of Gibbs's ex-girlfriends, Hollis Mann to be exact, shows up out of the blue, and Sloane thinks something is going on between her husband and Hollis, Gibbs is in the doghouse with Sloane. How will he get out? How will he convince Sloane that nothing is going on? How will he change this before it's too late? What will happen if Sloane DIVORCES Gibbs? Will Slibbs be over? Find out in "I Know What It Looks Like"!