Complex sentence: From early 2004 to early 2005, Wachs and Von Haessler were off the air due to controversy, and another controversy in October 2006 forced the duo off the air yet again.
Split into simpler sentences: From early 2004 to early 2005, Wachs and Von Haessler were off the air due to controversy. A new controversy in October 2006 forced the duo off the air yet again.