Nuggets 107, Warriors 101 (2OT): Andre Iguodala and Danilo Gallinari scored five points apiece in the second overtime as visiting Denver extended its winning streak to four games.
Gallinari finished with a team-high 21 points - all after the first half - and Iguodala added 19 and 12 rebounds for the Nuggets, who had five of eight players reach double figures in scoring.
Klay Thompson scored a game-high 23 points and Carl Landry added 22 and nine boards off the bench for the Warriors, who face Denver two more times this month.
After nothing was solved in the first overtime, JaVale McGee put Denver ahead 24 seconds into the second extra session with a putback layup. The Warriors then appeared to take control as Landry converted a layup and sank a turnaround jumper before Thompson drained a 3-pointer for a 101-96 lead.
But Landry missed a pair of free throws and a driving layup while Iguodala and Gallinari hit 3-pointers as the Nuggets grabbed a 103-101 advantage with 35.9 seconds remaining. Denver's duo then sank two free throws apiece to seal the victory.
With Denver trailing 76-71, Andre Miller hit a pull-up jumper with 5:48 remaining in the fourth to begin an 8-0 run that gave the Nuggets a three-point lead. Following a timeout, Stephen Curry drilled a 3-pointer with 3:58 left to forge a tie and sank another shot from beyond the arc 50 seconds later to put Golden State ahead 82-81.
The Warriors lost the lead as Gallinari answered with a 3-pointer, but Jarrett Jack's driving finger-roll layup with 28.8 seconds remaining knotted the contest at 86.
GAME NOTEBOOK: Thompson would like to forget the final 13 seconds of the first overtime. After missing a pair of free throws that would've given Golden State a four-point lead, Thompson allowed Gallinari to walk around him and go to the hoop for a game-tying dunk that forced a second OT. ... Denver F Kenneth Faried recorded his third consecutive double-double, scoring 18 points and grabbing a game-high 17 rebounds. ... Thompson was 5-of-15 on 3-point attempts and Curry was 3-of-6 from beyond the arc.