Walmart has this 50-inch 4K Roku TV on sale in one of the best deals of the holiday season. Here's the deal that you can only score during its "Black Friday Deals" sale.

Because Walmart likes to release its most jaw-dropping TV deals as a handful of pre-meditated doorbusters, more shoppers will be waiting in the wings for the clock to strike a certain time (rather than calmly perusing several pages of TV deals) — which means TVs selling out is more likely and time is of the essence.

Walmart has a deal on the 55-inch Samsung QLED 4K TV that will cost you less than $300 — but only during its "Black Friday Deals" sale. Here's when to grab this big markdown.

SAVE OVER $400: As of Nov. 12, the 55-inch LG B3 OLED TV is on sale for $798 as part of Walmart's early Black Friday sale. That is down $401 from its list price of $1,199.

The Hisense 50-inch Class R6 Series 4K TV is a top seller at Walmart for good reason: it's currently selling for nearly 50% off.

The Hisense QD6 Series 75-inch QLED 4K Smart Google TV is just $449.99 at Best Buy. As of Nov. 15, you can save $250 on this vibrant, feature-packed display.

The 75'' Hisense U7 ULED 4K TV is an excellent mid-range option for those seeking great visuals and gaming features at a reasonable price, currently at $897.99. It offers versatile connectivity with four HDMI ports,