With 106 million viewers, Super Bowl 2010 topped M*A*S*H as the most viewed program in television history.
What are the other top TV telecasts of all time?
While total viewer counts aren't available for every telecast, these 10 television broadcasts were viewed by the highest percentage of households in TV history (via Wikipedia). Also included is share data; share represents the percentage of television sets in use tuned to the program (i.e. the percentage of households watching TV that were watching the program).