1989 - When Dream and Day Unite
1992 - Images and Words
1994 - Awake
1995 - A Change of Seasons
1997 - Falling Into Infinity
1999 - Metropolis, Pt. 2: Scenes From A Memory
2002 - Six Degrees of Inner Turbulence
2003 - Train of Thought
2005 - Octavarium
2007 - Systematic Chaos
2009 - Black Clouds & Silver Linings
• Greatest Hits (2008)
