Tonight’s Celtics vs. Knicks game will not air on traditional cable as it is exclusive to the Prime Video streaming service. NBA on Prime, including Celtics vs. Knicks, is streaming exclusively on Prime Video, so you’ll need an Amazon Prime subscription to watch the game.

NBA fans can save big and livestream hoops action with Sling TV's Pass plans — here's the cheapest way to livestream games.

The 2025-26 NBA season tips off with a doubleheader on Tuesday, Oct. 21, when the NBA returns to NBC and debuts on Peacock. The Oklahoma City Thunder hosts the Houston Rockets (7:30 p.m. ET) and the Golden State Warriors visit the Los Angeles Lakers (10 p.m. ET).

For the first time since 2002, NBA basketball will air on NBC. If you were a ’90s kid, John Tesh’s iconic “Roundball Rock ” was the soundtrack of your basketball-watching experience, the perfect melodic intro that remains synonymous with hoops.

Wondering where to watch NBA basketball during the 2025-2026 season? The rich tradition of athletic competition established by ABC Sports continues with the best games each and every weekend during the NBA season right through the NBA Finals.