The Boston Celtics  released their schedule for the 2009-2010 season and there are 82 nights to circle on your calendar. Take a look at these must-watch games:
Tuesday, October 27: Celtics @ Cavaliers 
Celtics open their season on the road against LeBron James  and Shaquille O’Neal . It will be the first time the Cs play in Cleveland since last season’s heated Easter Sunday game  which resulted in a Ray Allen  suspension.
Wednesday, October 28: Celtics vs. Bobcats
Fans will get their first look at Rasheed Wallace  in the Celtics home opener against the Bobcats, the Cs D-League affiliate for the Portland Red Claws. Will the Celtics need last-second heroics  to take care of the ‘Cats again?
Friday, October 30: Celtics vs. Bulls
The Bulls became very familiar with the Garden after making four trips there during last season’s first-round series. After an entire summer to improve, watch out for an even better battle between Rajon Rondo and Derrick Rose .
Friday, November 20: Celtics vs. Magic
The Magic come to Boston looking to build upon their postseason success against the Celtics . This time Dwight Howard  and Rashard Lewis are bringing Vince Carter  along for the ride.
Thursday, December 3: Celtics @ Spurs
It was a dreaded destination for years. The Celtics have turned their luck around but the Spurs have revamped their roster  to challenge them yet again in San Antonio.
Sunday, December 20: Celtics vs. Timberwolves 
The returns of Al Jefferson and Ryan Gomes  always garner standing ovations from the crowd. Will touted Spanish guard Ricky Rubio  be in their backcourt?
Friday, December 25: Celtics @ Magic
Celtics will spend Christmas in the sun against the Magic in Florida.
Sunday, December 27: Celtics @ Clippers
Get a first look at the top overall pick in this year’s draft, Blake Griffin . After an impressive Summer League performance , this rookie looks poised to make an impact in the league.
Wednesday, January 20: Celtics @ Pistons
Sheed returns to Detroit to sit on the visitors side for the first time in over five years. A must-watch for Huskies fans as Ray Allen takes on fellow UConn alumni  Rip Hamilton, Ben Gordon , and Charlie Villanueva .
February 18: Celtics @ Lakers
The championship contenders take the match up to LA in the middle of the Celtics five-game West Coast road trip.
Wednesday, March 17: Celtics vs. Knicks
The Celtics will play in Boston on St. Patrick’s Day for the first time in years. The Knicks already have their own holiday uniforms, so expect a sea of green.
Sunday, April 4: Celtics vs. Cavaliers
The Cavaliers second trip to Boston will mean that much more late in the season when one game can determine postseason standings.
Wednesday, April 14: Celtics vs. Bucks
The last game of the regular season is always a special tribute to the fans as the Cs prepare for the playoffs.
Check out the entire Celtics regular season schedule here .