From an ESPN news release:
NBA Finals Game 6 on ABC – the Miami Heat defeated the San Antonio Spurs to even the series in an overtime thriller – scored a 14.7 overnight rating, according to Nielsen. This is the second highest-rated NBA Finals Game 6 ever on ABC and the fourth highest rated game ever on the network.
Game 6 is also expected to mark the 36th consecutive time an NBA Finals telecast has won the night for all of television and is the 24th straight time it has delivered double-digit overnight ratings. The game peaked at a 19.8 rating from 11:45 p.m. – 12 a.m. ET.
Last night’s game trails only Boston Celtics-Los Angeles Lakers Game 7 in 2010 (18.2), Los Angeles Lakers-Detroit Pistons Game 5 in 2004 (15.5) and Miami Heat-Dallas Mavericks Game 6 in 2011 (15.0).