End of March
The regular-season is scheduled to end on Sunday, October 3rd.
the regular season ends on October 4, 2009
No it is impossible for a regular season baseball game to end in a tie. The longest game ever played was 26 innings long. No tie there.
Regular season usually ends around October 1st, usually on a Sunday. Playoffs end in late October.
The world series
The Baseball season can begin as early as late March and end as late as early November.
The 2011 regular season ended on Wednesday, September 28th.
The Major League Baseball season begins in April with Opening Day and ends in October with the World Series. Opening Day for the upcoming 2010 season is on April 4th.