Photos: Halloween at Fenway Park.

"A trick or treater waves in the dugout during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“A trick or treater waves in the dugout during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Trick or treaters walk the warning track during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Trick or treaters walk the warning track during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"A trick or treater gets her face painted during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“A trick or treater gets her face painted during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Trick or treaters walk the warning track during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Trick or treaters walk the warning track during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"A trick or treater gets her face painted during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“A trick or treater gets her face painted during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Halloween decorations are shown during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Halloween decorations are shown during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Halloween decorations are shown during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Halloween decorations are shown during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Ghostbusters pose for a photograph on Yawkey Way during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Ghostbusters pose for a photograph on Yawkey Way during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Guests watch a movie screening of 'Ghostbusters' during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Guests watch a movie screening of ‘Ghostbusters’ during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Guests watch a movie screening of 'Ghostbusters' during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Guests watch a movie screening of ‘Ghostbusters’ during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

"Guests fill the lower seating bowl for a movie screening of 'Ghostbusters' during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014."

“Guests fill the lower seating bowl for a movie screening of ‘Ghostbusters’ during Halloween at Fenway at Fenway Park in Boston, Massachusetts Thursday, October 30, 2014.”

Here is a selection of photos from Halloween at Fenway Park, which brought thousands of guests in yesterday for trick or treating on the field and a movie screening of “Ghostbusters.”

Happy Halloween!