You can watch the Celtics vs. Knicks NBA playoff games on several platforms:

• The games are broadcast on TNT and ESPN. For example, Game 6 on May 16, 2025, was on ESPN

• For streaming without cable, Hulu + Live TV offers TNT and ESPN channels, along with other sports channels, with a subscription starting at around $82.99/month and a free trial available

• Sling TV also streams TNT and ESPN and is a cheaper alternative starting at $23 for the first month, then about $45.99/month

• DirecTV offers live streaming of these games with a five-day free trial, which can be used to watch the Knicks vs. Celtics games on ESPN or TNT

• Max (via Prime Video) simulcasts TNT games but does not cover ESPN or ABC NBA playoff games

For the most recent games, such as Game 6 on May 16, 2025, you would tune into ESPN or stream via DirecTV or Hulu + Live TV

. In summary, to watch Celtics vs. Knicks games live, you can use cable channels TNT and ESPN or stream through Hulu + Live TV, Sling TV, or DirecTV with appropriate subscriptions or free trials.