Currently you are able to watch "Fringe" streaming on Max Amazon Channel, Max or for free with ads on Freevee. It is also possible to buy "Fringe" as download on Amazon Video, Apple TV, Google Play Movies, Vudu, Microsoft Store.
Fringe is an American science fiction television series that follows Olivia Dunham, Peter Bishop, and Walter Bishop, members of a Federal Bureau of Investigation "Fringe Division" team based in Boston, Massachusetts under the supervision of Homeland Security. The team uses "fringe" science and FBI investigative techniques to investigate a series of unexplained, often ghastly occurrences, which are related to mysteries surrounding a parallel universe. The series has been described as a hybrid of The X-Files, Altered States, and The Twilight Zone.