Only UCLA has ever gone to more than two back-to-back, but here's the list of teams who've gone to consecutive NCAA Division I Championships and the years they did it:
1945 & 1946 - Oklahoma A&M
1948 & 1949 - University of Kentucky
1955 & 1956 - San Francisco
1961 & 1962 - Cincinnati
1964 & 1965 - UCLA
1967, '68, '69, '70, '71, '72 & 1973 - UCLA
1991 & 1992 - Duke
2006 & 2007 - Florida
There were 53 teams in the 1984 NCAA Men's Basketball Championship (5 play-in games before the tournament).
Florida ucla
The Oakland A's won their third consecutive world championship in 1974, defeating the Los Angeles in five games.
Rick Pitino
a lot of teams. In fact, about 100!
Michigan state and North Carolina
35
As the name suggests, there are 4 teams and therefore 2 games in the Final Four. The winner of those 2 games then play for the championship.
Lots of teams did not win. Only 9 teams actually won the championship.
There are 32 games for each conference. Then when there are 16 teams left, they all play each other until there are 8 teams. Then the 8 teams play for the final 4. And then the final 4 play, and the final 2 play for the Championship.
68
The Philadelphia Warriors defeated the Chicago Stags 4 games to 1 to win the 1947 championship. The NBA in 1947 was known as the Basketball Association of America. The name was changed to National Basketball Association in 1949 when the BAA merged with teams from the National Basketball League.