via NBC Sports Group press release,

PENGUINS-CAPITALS GAME 5 ON NBC IS SECOND-MOST WATCHED NON-STANLEY CUP FINAL NHL PLAYOFF GAME SINCE 1993

Saturday’s primetime presentation of Game 5 between the Penguins and Capitals on NBC (7:08-11:05 p.m. ET) is the second-most watched non-Stanley Cup Final game on record (since 1993), averaging 4.164 million viewers. The game also posted a 2.40 HH rating, making it the second-highest rated non-Stanley Cup Final game ever on NBC (since 2006). Saturday night’s game trails only last year’s Western Conference Final Game 7 matchup between the Chicago Blackhawks and Anaheim Ducks on NBC in both categories (5/30/15; 4.601 million viewers and 2.61 HH rating).

• Through all available games on NBC, the playoffs have posted 1.983 million average viewers (up 8% from NBC’s comparable coverage of the playoffs last year);
• Pittsburgh – Game 5 produced a 19.8 rating in Pittsburgh to rank as the highest-rated Penguins game on NBC in the market since the 2013 Eastern Conference Final (6/1/13; 23.2);
• Washington D.C. – Game 5 produced a 7.7 rating in Washington D.C. to rank as the highest-rated Capitals game on NBC in the market since the 2012 Eastern Conference Quarterfinals vs. Boston (4/22/12; 8.7);
• NBC was the No. 1 network in both Pittsburgh and Washington D.C. during the game.