Even on a cold, rainy February weeknight (paradise when it comes to crowd levels) you’ll still inevitably face the most despicable of all Disneyland rituals: waiting in line. Enter FastPass, Disney’s free, ride time reservation system, and your best bet at avoiding lines. The short of it is these passes (available at some of the parks' most popular attractions) are stamped with a specific return time that’ll allow you to hop on a separate, express line. You’ll have to board the ride within the hour window printed on the ticket, and, generally, you can only hold one FastPass at a time; you can only get a new one after two hours or the start of your return window, whichever comes first. Maximizing your time becomes a numbers game, and it’s one you should absolutely play. So where should you start? Begin your morning at California Adventure and get FastPasses for World of Color and Radiator Springs Racers—sometimes you can immediately grab an additional Fastpass, so make sure to read your Racers ticket. Afterwards, head to Disneyland (which won’t conflict with your California Adventure passes) and get a FastPass for Indiana Jones or one of the Mountains, as well as one for Fantasmic (which won't count against your pass limit).