Where to Watch 21 Online

Looking to watch '21' on your TV, phone, or tablet? Searching for a streaming service to buy, rent, download, or view the Robert Luketic-directed movie via subscription can be challenging, so we here at Moviefone want to do right by you.

We've listed a number of streaming and cable services - including rental, purchase, and subscription alternatives - along with the availability of '21' on each platform when they are available. Now, before we get into the nitty-gritty of how you can watch '21' right now, here are some finer points about the Columbia Pictures, Relativity Media, Michael De Luca Productions, Trigger Street Productions crime flick.

Released March 27th, 2008, '21' stars Jim Sturgess, Kevin Spacey, Kate Bosworth, Aaron Yoo The PG-13 movie has a runtime of about 2 hr 3 min, and received a user score of 67 (out of 100) on TMDb, which collated reviews from 4,649 knowledgeable users.

Curious to know what the movie's about? Here's the plot: "Ben Campbell is a young, highly intelligent student at M.I.T. who strives to succeed. Wanting a scholarship to transfer to Harvard School of Medicine to become a doctor, Ben learns that he cannot afford the $300,000 tuition as he comes from a poor, working-class background. But one evening, Ben is introduced by his unorthodox math professor to a small but secretive club of five students, Jill, Choi, Kianna, and Fisher, who are being trained by Professor Rosa to count cards at blackjack."

'21' is currently available to rent, purchase, or stream via subscription on Microsoft Store, Vudu, Apple iTunes, YouTube, and Amazon Video .