Netflix's 'KPop Demon Hunters' sing-along screenings could top the box office this weekend, as 'Weapons' looks at a strong third weekend.

The animated movie, already a hit on streaming, will screen to sell-out crowds in theaters for special sing-along showings. But Netflix won't release box office numbers.

“KPop Demon Hunters A Sing-Along Event” arrives at movie theaters Saturday and Sunday, Aug. 23-24 for one weekend only. The animated film will be shown in theaters across the United States. Canada, Australia, New Zealand and the United Kingdom, according to Netflix.