Fringe :
Sliders (original series in english; couldn't find and english version. hehe):
Red Alert :
They're works of science fiction itself.
Now its a work of quantum science. (a finding actually; not a work of quantum science) To put it simply, physicist discover existence of another universe is proven and its closer than anyone could think. They describe it as every universe is like a layer of membrane (kek lapis); and each universe frequently crossover with one another even if we dont realize it. Maybe there's some truth in Rhonda Bynes theory of the secret