"What if you found a portal to a parallel universe? What if you could slide into a thousand different worlds -- where it's the same year, and you're the same person, but everything else is different? And what if you can't find your way home?" For four thrilling seasons, they've explored alternate realities, seen double versions of their hometown, their families and themselves. It's the last chance for the Sliders to answer the question that has haunted them from the beginning: will they ever reach home?