Bollywood music label T-Series had the most-subscribed YouTube channel for years after Felix Kjellberg, aka PewDiePie, conceded his protracted and problematic fight for the top spot to it.

The feud between MrBeast and T-Series stems from a broader YouTube rivalry that started in 2018, when PewDiePie—the then-most-subscribed YouTube creator—competed with T-Series, an Indian music ...