Piranha 3D

If you don't feel like heading to theaters for the the re-release of The Social Network, not to worry — the film is out on DVD this week, so you can watch it as much as you'd like. If that's not your cup of tea, check out the rest of this week's new releases.

The Social Network

Also known as "the Facebook movie," the David Fincher film chronicles the tumultuous rise of Facebook founder Mark Zuckerberg (Jesse Eisenberg). Justin Timberlake also appears as MySpace guru Sean Parker, along with rising star Andrew Garfield as Zuckerberg's friend cofounder, Eduardo Saverin. The movie has been hailed as a defining film for this generation, with hoards of critics singing its praises (including here on BuzzSugar). DVD bonus features include a 94-minute documentary titled, How Did They Ever Make a Movie of Facebook?

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Piranha 3D

It's killer fish! Piranha 3D has a ridiculous premise: after an underwater tremor disturbs the ocean, prehistoric piranhas come out of hiding to bring havoc to beach visitors. The film plays into its silly sense of humor with plenty of gore and gratuitous nudity, but will it pack the same punch without the 3D format at home? If you decide to take the plunge, keep an eye out for some familiar faces, including one of our people to watch Adam Scott and Gossip Girl's Jessica Szohr. DVD extras include include filmmaker commentary and behind-the-scenes featurettes.

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One more release when you read more

Despite a whole crop of new movies opening in theaters last Friday, The Expendables managed to hang onto the box office crown, taking in another $16.5 million. Hot on its trail was Twilight spoof Vampires Suck, which raked in $12.2 million despite abysmal reviews.

Eat Pray Love was knocked down to third with $12 million, followed by Bow Wow's comedy, Lottery Ticket, which opened with $11.1 million. The Other Guys hung on to a top five slot with $10.1 million, just barely knocking out Piranha 3D which made $10 million.

As for the other box office newbies? Nanny McPhee Returns only made $8.3 million, but it still did better than The Switch, which settled for a disappointing $8.1 million.

• Here are the first photos of Hank Azaria as Gargamel in the Smurfs movie! — Coming Soon
• Lynn Redgrave has passed away at 67 — Vulture
• Daria is finally coming out on DVD! — PopWatch
• Proceed with caution: the Piranha 3D trailer is here — MTV Movies Blog
• Rose Byrne joins Kristen Wiig's bridesmaid comedy — The Wrap
• Watch The Simpsons do Ke$ha's Tik Tok — HitFix
• You can hear but not see Ryan Reynolds in this new Buried teaser trailer — Deadline Hollywood
• Rashida Jones, Anjelica Huston, and Jim Parsons join Owen Wilson in The Big Year — Inside Movies
• Betty White talks SNL on The Today Show — TresSugar
• Zoolander 2 runs into financial problems, may not be happening — Cinematical