With tonights premieres of 90210, RINGER and PARENTHOOD effectively marking the start of the much-anticipated Fall television season after three long months of a steady diet of reality and reruns we thought it might be fun to offer up a little how-to. As in, how-to make the most of the 21 weekly hours of prime-time television with our “Ultimate Fall TV Schedule.” Enjoy… or feel free to burn our name in effigy politely let us know what must see TV we neglected to include in the comments below.