Walmart has released its Black Friday sales ad, joining a growing list of national retailers who have released their circulars early in an effort to snag holiday shoppers.

The ad is 40 pages, and shows the store will have three individual doorbuster events. The first one begins at 6 p.m. Thanksgiving Day, followed by a second event at 8 p.m. on Thanksgiving. The third event begins at 6 a.m. on Black Friday.

To view Walmart's ad, click here.

Best Buy, Target, and Kohl's have also released their Black Friday ads. To read about Best Buy's ad, click here. To read about Target's ad, clickhere. For the Kohl's ad, click here.