For many of us, this long weekend in honor of President’s Day signals the final long weekend until the start of summer. Luckily, we have plenty of premieres and thought-provoking shows to take your mind off the long winter months ahead. Here’s what’s coming up, starting tomorrow: The Zoo (Saturday, February 18 at 10PM ET/PT on Animal Planet): Animal Planet takes audiences on a first-ever, in-depth look behind the scenes at the Bronx…