America's top retailers are gearing up for the biggest shopping weekend of the year.

The first doorbusters kick off early Thursday morning. Wondering what's open and where to snag a deal? Here's our guide.

Best Buy

Opens: 5 p.m. on Thanksgiving Day and will stay open until 1 a.m. Friday. Reopens Friday at 8 a.m. and closes at 10 p.m.

Highlights: You can get a 50-inch 4K Smart TV for $180 (save $320), a Google Home Mini for $30 (save $20 plus get a $10 gift card), or up to $150 off a 10.5-inch iPad Pro. Get more details here and see the full ad here.

Pro-Tip: My Best Buy members get early access to Black Friday deals starting Monday November 20.

Online: Best Buy says "almost" every deal will be available online beginning Thanksgiving morning. Shoppers get free shipping all season long.

Dick's Sporting Goods

Opens: 6 p.m. on Thanksgiving and will remain open until 2 a.m. Friday. Reopens Friday from 5 a.m. to 10 p.m.

Highlights: "Select" locations will have discounts on items exclusively available at Dick's -- including apparel from Patagonia and Adidas and the Bowflex M5. The store is also offering rewards cash for Yeti purchases, 50% to 70% off bikes, 40% off Adidas apparel, a Warrior in-ground basketball hoop for $400 (save $600), and a Stiga tennis table for $250 (save $250). See the full ad here.

Online: All deals will be available online Thanksgiving day. The site offers free shipping or the option to pick up in stores. Dick's will also hold a Cyber Week sale that kicks off Sunday November 26.

Kmart

Opens: 6 a.m. on Thanksgiving and will stay open until 10 p.m. on Black Friday. Some stores close at midnight or 2 a.m. on Friday and reopen at 6 a.m.

Highlights: Grab a 55-inch Samsung 4K Smart TV for $500 (save $200) or luxurious 1,000 thread count sheets for $20 (save 30). Barbie dolls will go on sale for $2 (save $5 to $8), and some small kitchen appliances will be 50% off. See the full ad here.

Online: Kmart's discounts will be available online from 6 p.m. on Thanksgiving through 2 p.m. on Black Friday.

Kohl's

Opens: 5 p.m. on Thanksgiving Day. Hours may vary by location.

Deals: Shoppers can snag a PlayStation 4 for $200 (save $100), a diamond bracelet for $70 (save $230), a Google Home for $80 (save $50), or a Sky Rider HD camera drone for $50 (save $100). For $20, parents can grab a Disney castle toy or an indoor basketball game. See the full ad here.

Pro-Tip: According to Wallethub, Kohl's will offer some of the steepest discounts of any major retailer this Black Friday. On average, its markdowns will hit 66.3% off. Deals will be especially hot for jewelry.

Online: Some deals go live on Kohls.com Monday November 20 at 1 a.m. ET. Doorbuster deals go live at 1 a.m. ET on Thursday November 23.

Macy's

Opens: 5 p.m. on Thanksgiving, though it may vary by location.

Highlights: The steepest discounts will be so-called doorbusters that will be available when doors open on Thanksgiving through 1 p.m. Friday. The discounts will briefly come back Saturday until 1 p.m. Mail-in rebates, offered only in stores, will score you some free items, such as a glassware set or select kitchen electronics. See the full ad here.

Pro-Tip: If you need a blender, Wallethub says Macy's is offering one of the best discounts around for its A3500 Vitamix blender. You can grab it for $350 (save $250) on Black Friday.

Online: More than 500 deals will be live online beginning Thanksgiving morning. A round of Cyber Week savings will go live on Sunday, November 26 and end Wednesday November 29.

Sears

Opens: 6 p.m. to midnight on Thanksgiving, though some locations will stay closed. All stores will reopen at 5 a.m. on Black Friday.

Highlights: You can save more than $1,000 on a Kenmore refrigerator or a NordicTrack elliptical. They'll go on sale for $1,000 and $600, respectively. Most deals will end at 2 p.m. on Black Friday. See the full ad here.

Online: All deals will be available online all day Thanksgiving through 2 p.m. on Black Friday.

Target

Opens: 6 p.m. on Thanksgiving, closes at midnight and reopens Friday at 6 a.m.

Highlights: Target is promising the "lowest prices of the year" on video games, TVs and other electronics. Customers who spend $50 on Black Friday will get a 20% off coupon for a future shopping trip.

Deals include an XBox One S 500 GB console for $190 (save $90 and get a $25 gift card) and a 65-inch Samsung 4K TV for $850 (save $156). Get more details here and see the full ad here.

Pro-Tip: REDcard holders will get early access to more than 100 deals online starting Wednesday Nov. 22.

Online: Black Friday deals will be available on Target.com early Thanksgiving morning.

Toys "R" Us

Opens: 5 p.m. on Thanksgiving until 11 p.m. Friday.

Highlights: A few pre-Black Friday sales will show up Sunday November 19 and run through Wednesday November 22. A few deals will be available only in stores through midnight. They include a a Barbie Pink Passport Townhouse for $60 (50% off) and a motorized Power Wheels Boomerang for $250 (save $150). Get more details here and see the full ad here.

Online: Black Friday deals will go live on Toysrus.com/BlackFriday Wednesday Nov. 22 at 9 p.m. ET. Toys "R" Us offers a pick-up-in-store option.

Walmart

Opens: Black Friday sales begin at 6 p.m., but most Walmart stores will be open all day on Thanksgiving. Hours vary by location.

Highlights: Walmart will release color-coded maps of its stores to help customers find what they are looking for. Among the deals it's touted: a Dyson cordless vacuum cleaner for $190 (save $176), a Google Chromecast for $20 (save $15), a iPad 5th Gen 32GB for $249 (save $80), and a Samsung 65-inch Class Curved 4K Smart TV for $1,000 (save $300). Get more details here and see the full ad here.

Online: Deals begin on Walmart.com at 12:01 a.m. ET on Thanksgiving.