If you don't have a subscription, you can purchase the individual episode (typically for $1.99–$2.99) from these retailers: Apple TV Fandango at Home (formerly Vudu)
: Available for subscribers with the Hulu bundle or in certain international regions. Where to Buy
You can watch Season 1, Episode 4 (titled "Act of God") through several official streaming and digital purchase platforms. Where to Stream Hulu : Included with a standard subscription.