Roope Hintz had a goal and an assist, and Mikko Rantanen and Wyatt Johnston each had two assists for the Stars (10-5-2). Jake Oettinger made 20 saves.
Macklin Celebrini had three assists for San Jose (7-11-1), which has lost five straight (0-5-0). Will Smith had a goal and an assist for the Sharks and Alex Nedeljkovic made 26 saves.
Michael Misa put San Jose ahead 1-0 at 7:22 of the first period. Celebrini carried the puck from the blue line down into the low circle and sent a pass across to the far post for Misa, who shot the puck under Oettinger’s left pad.
Hintz scored the first of Dallas’s power play goals at 9:16 during a 4-on-3 Stars advantage. Hintz found the rebound at the left post after Wyatt Johnston’s tip attempt and scored to tie the game 1-1.
Jamie Benn put Dallas ahead 2-1 at 15:17. Hintz recovered a puck below the goal line and fed it into the slot for Benn, who shot the puck high into the far corner.
Jason Robertson scored on the power play at 16:51 after Rantanen fed him a pass from the opposite circle. Robertson snapped a shot over Nedeljkovic’s glove to make it 3-1 Dallas.
Ivar Stenberg cut the Dallas lead to 3-2 with a goal 2:47 into the second period on a 2-on-1 rush with Celebrini.
Harley scored Dallas’ third power-play goal of the game at 14:30. Johnston fed a pass back to the point, and Harley one-timed a shot under Nedeljkovic’s right pad to give Dallas a 4-2 lead.
Smith pulled San Jose to within 4-3 with a 5-on-3 power-play goal at 17:02 after Mason Marchment found him with a cross-crease pass to the back door that Smith shot into the open net.
