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Ultimate Fighting Championship (UFC) will once again air the entire UFC 131: "Dos Santos vs. Carwin" fight card TONIGHT (June 11, 2011), beginning at 7 p.m. ET with a live video stream on Facebook. Once the Facebook stream ends, two additional bouts from the undercard will air live on Spike TV at 8 p.m. ET.

For those of you who are new to this whole "pay-per-view" (PPV) thing, there are tons of ways to watch the main card tonight, which will begin at 9 p.m. ET sharp. You can call up Comcast or your local cable provider and/or satellite and order the PPV on your television. For the Internet dorks among us, you can also stream the event on your computers using UFC.TV, Yahoo! Sports or UStream, among others.

If you're like me and you need your UFC 131 as soon as possible, who you gonna call?  MMAmania.com to the rescue. As usual, we'll have complete results and live fight coverage, including round-by-round, blow-by-blow coverage of all the UFC 131 action before, during and after the event.

Details on who's fighting, when they're fighting and how to keep yourself updated after the jump:

UFC 131 main card -- 9 p.m. ET on pay-per-view (PPV)

265 lbs.: Junior Dos Santos vs. Shane Carwin
145 lbs.: Kenny Florian vs. Diego Nunes
185 lbs.: Demian Maia vs. Mark Munoz
265 lbs.: Jon Olav Einemo vs. Dave Herman
155 lbs.: Donald Cerrone vs. Vagner Rocha

UFC 131 Spike TV "Prelims" -- 8 p.m. ET on Spike TV

155 lbs.: Yves Edwards vs. Sam Stout
185 lbs.: Jesse Bongfeldt vs. Chris Weidman

UFC 131 Facebook "Prelims" -- 7 p.m. ET on UFC Facebook page

145 lbs.: Dustin Poirier vs. Jason Young
205 lbs.: Mike Massenzio vs. Krzysztof Soszynski
145 lbs.: Darren Elkins vs. Michihiro Omigawa
265 lbs.: Joey Beltran vs. Aaron Rosa
185 lbs.: James Head vs. Nick Ring

To watch the UFC "Prelims" on Facebook, (if you have a Facebook profile) simply "Like" the UFC Facebook page and check out the "Live Video" tab on the left-side menu.

Again, remember that MMAmania.com will provide LIVE blow-by-blow, round-by-round coverage of UFC 131, beginning with the Facebook prelims at 7 p.m. ET TONIGHT (Sat., June 11, 2011). In addition, we will be your one-stop-shop for all the post-event coverage and highlights immediately following the show.

To get up to speed on all the news and notes for UFC 131: "Dos Santos vs. Carwin," be sure to hit up our event archive right here.