Complex sentence: The Trashers first season began with the team playing around.500 hockey, then quarter of the way through the 2004--05 season they went on a seven game unbeaten streak that moved them into first place in the Eastern Division.
Split into simpler sentences: The Trashers first season began with the team playing around.500 hockey. Then a quarter of the way through the 2004--05 season they went on a seven game unbeaten streak that moved them into first place in the Eastern Division.