You can watch the TV show "The Rookie" streaming online on several platforms:

• Hulu offers all seasons of "The Rookie" for streaming as part of their subscription service

• Disney+ also streams "The Rookie," requiring a subscription plan with options for ads or ad-free viewing

• Other streaming services where "The Rookie" is available include Philo, fuboTV, and DIRECTV

• Additionally, you can purchase or rent episodes on Amazon Video, Apple TV, Fandango At Home, and Microsoft Store

For international viewers, "The Rookie" is available on Disney+ in countries including the US, UK, Canada, Australia, and New Zealand

. You can also watch "The Rookie" on Showmax, which offers multiple seasons for streaming

. In summary, the main streaming platforms to watch "The Rookie" are Hulu, Disney+, Showmax, and some live TV streaming services like Philo and fuboTV. Purchasing or renting episodes is possible on major digital stores as well