Complex sentence: The show premiered in the United States on April 19,1997 to June 11,2001, but on November 11,2001, the Final Angry Beavers episode is never aired.
Split into simpler sentences: The show premiered in the United States on April 19,1997 to June 11,2001. On November 11,2001, the Final Angry Beavers episode is never aired.