1989-When Dream And Day Unite [CD] 1992-Images And Words 1994-Awake 1997-Falling Into Infinity [CD] 1999-Scenes From A Memory [CD] 2002-Six Degrees Of Inner Turbulence 2003-Train Of Thoughts [CD] 2005-Octavarium [CD] 2009-Black Clouds & Silver Linings 2011-Dramatic Turn of Events 2013-Dream Theater 2016-The Astonishing
1993-Live At The Marquee [CD] 1998-Once In A Livetime 2001-Live Scenes From New York [CD] 2004-Live At Budokan 2006-Score
1995-A Change Of The Seasons [CD] 2008-Greatest Hit [...and 21 Other Pretty Cool Songs]