I Didn't Know has been played 258 times, at 14.19% of Phish performances. It has been performed, on average, once every 6.7 shows since its debut 1,719 shows ago. It was last performed October 17, 2018 (12 shows ago).

• 2018-10-17, Albany, NY
• 2018-07-31, Del Valle, TX
• 2017-08-02, New York, NY
• 2016-10-25, Grand Prairie, TX
• 2016-06-25, Chicago, IL
• 2015-12-31, New York, NY
• 2015-08-23, Watkins Glen, NY
• 2015-07-29, Grand Prairie, TX
• 2014-10-27, San Francisco, CA
• 2014-08-29, Commerce City, CO
• 2014-07-05, Saratoga Springs, NY
• 2013-10-23, Glens Falls, NY
• 2013-07-20, Chicago, IL
• 2012-08-28, St. Louis, MO
• 2012-08-18, San Francisco, CA
• 2012-06-19, Portsmouth, VA
• 2011-08-16, Chicago, IL
• 2010-08-13, Noblesville, IN
• 2010-06-24, Camden, NJ
• 2009-12-28, Miami, FL
• 2009-10-30, Indio, CA
• 2009-08-14, Hartford, CT
• 2009-06-05, Wantagh, NY
• 2009-03-06, Hampton, VA
• 2003-12-31, Miami, FL
• 2003-07-18, East Troy, WI
• 2003-07-18, East Troy, WI
• 2003-02-21, Cincinnati, OH
• 2000-09-30, Las Vegas, NV
• 2000-07-06, Toronto, Ontario, Canada
• 1999-12-31, Big Cypress, FL
• 1999-09-29, Memphis, TN
• 1999-09-21, Tucson, AZ
• 1999-09-09, Vancouver, British Columbia, Canada
• 1999-07-15, Holmdel, NJ
• 1999-07-04, Atlanta, GA
• 1998-08-03, Noblesville, IN
• 1997-11-28, Worcester, MA
• 1997-02-22, Rome, Italy
• 1996-12-02, Phoenix, AZ
• 1996-11-24, Portland, OR
• 1996-10-25, Hampton, VA
• 1996-08-10, East Troy, WI
• 1996-07-15, Sesto Calende, Italy
• 1996-07-11, London, England
• 1995-12-28, Worcester, MA
• 1995-11-28, Knoxville, TN
• 1995-11-12, Gainesville, FL
• 1995-10-27, Kalamazoo, MI
• 1995-10-15, Austin, TX
• 1995-09-27, Sacramento, CA
• 1995-07-02, North Fayston, VT
• 1995-06-25, Philadelphia, PA
• 1995-06-20, Cuyahoga Falls, OH
• 1995-06-15, Atlanta, GA
• 1994-12-29, Providence, RI
• 1994-12-09, Mesa, AZ
• 1994-12-01, Salem, OR
• 1994-11-22, Columbia, MO
• 1994-10-28, Charleston, SC
• 1994-10-18, Nashville, TN
• 1994-10-13, Oxford, MS
• 1994-07-13, Patterson, NY
• 1994-06-29, Raleigh, NC
• 1994-06-14, Des Moines, IA
• 1994-06-14, Des Moines, IA
• 1994-05-29, Monterey, CA
• 1994-04-29, Clearwater, FL
• 1994-04-17, Fairfax, VA
• 1994-04-10, Buffalo, NY
• 1994-04-08, State College, PA
• 1993-12-31, Worcester, MA
• 1993-08-21, Salt Lake City, UT
• 1993-08-16, St. Louis, MO
• 1993-08-08, Cleveland, OH
• 1993-07-30, Antioch, TN
• 1993-07-25, Stanhope, NJ
• 1993-07-15, Weedsport, NY
• 1993-05-30, Monterey, CA
• 1993-05-07, Bangor, ME
• 1993-05-02, Upper Darby, PA
• 1993-04-25, Geneseo, NY
• 1993-04-21, Columbus, OH
• 1993-04-18, Ann Arbor, MI
• 1993-04-14, St. Louis, MO
• 1993-04-09, Minneapolis, MN
• 1993-04-02, Bellingham, WA
• 1993-04-01, Portland, OR
• 1993-03-31, Portland, OR
• 1993-03-27, San Francisco, CA
• 1993-03-24, Santa Rosa, CA
• 1993-03-18, Hollywood, CA
• 1993-03-16, Phoenix, AZ
• 1993-03-09, Colorado Springs, CO
• 1993-03-05, Dallas, TX
• 1993-03-02, New Orleans, LA
• 1993-02-26, Tampa, FL
• 1993-02-25, Miami Beach, FL
• 1993-02-22, Tallahassee, FL
• 1993-02-15, Chapel Hill, NC
• 1993-02-12, Poughkeepsie, NY
• 1993-02-10, Geneva, NY
• 1993-02-07, Washington, DC
• 1993-02-05, New York, NY
• 1993-02-03, Portland, ME
• 1992-12-31, Boston, MA
• 1992-12-30, Springfield, MA
• 1992-12-13, Montréal, Québec, Canada
• 1992-12-10, Kalamazoo, MI
• 1992-11-30, Pittsburgh, PA
• 1992-07-30, Rochester Hills, MI
• 1992-07-14, Norfolk, VA
• 1992-07-03, London, England
• 1992-06-28, Roskilde, Denmark
• 1992-06-24, Nüremberg, Germany
• 1992-05-17, Schenectady, NY
• 1992-05-10, Amherst, MA
• 1992-05-09, Syracuse, NY
• 1992-05-05, Cincinnati, OH
• 1992-05-03, East Lansing, MI
• 1992-05-01, Milwaukee, WI
• 1992-04-23, Seattle, WA
• 1992-04-19, Santa Cruz, CA
• 1992-04-17, San Francisco, CA
• 1992-04-15, Los Angeles, CA
• 1992-04-12, Tucson, AZ
• 1992-04-04, Boulder, CO
• 1992-04-01, Lawrence, KS
• 1992-03-30, St. Louis, MO
• 1992-03-28, Atlanta, GA
• 1992-03-24, Richmond, VA
• 1992-03-17, Washington, DC
• 1992-03-12, Burlington, VT
• 1991-12-06, Middlebury, VT
• 1991-12-05, Greenfield, MA
• 1991-11-30, Port Chester, NY
• 1991-11-24, Hanover, NH
• 1991-11-22, Portland, ME
• 1991-11-13, Davidson, NC
• 1991-11-10, Charleston, SC
• 1991-11-08, Tuscaloosa, AL
• 1991-11-07, New Orleans, LA
• 1991-10-31, Colorado Springs, CO
• 1991-10-28, Telluride, CO
• 1991-10-26, Santa Fe, NM
• 1991-10-24, Prescott, AZ
• 1991-10-18, San Francisco, CA
• 1991-10-10, Eugene, OR
• 1991-10-06, St. Paul, MN
• 1991-10-02, Chicago, IL
• 1991-09-29, Cleveland, OH
• 1991-09-27, Rochester, NY
• 1991-08-03, Auburn, ME
• 1991-07-27, Atlanta, GA
• 1991-07-24, Charlottesville, VA
• 1991-07-21, Parksville, NY
• 1991-07-19, Somerville, MA
• 1991-07-18, Hampton Beach, NH
• 1991-07-14, Townshend, VT
• 1991-05-19, Salisbury, CT
• 1991-05-17, Providence, RI
• 1991-05-02, Poughkeepsie, NY
• 1991-04-26, Plymouth, NH
• 1991-04-21, Potsdam, NY
• 1991-04-19, Buffalo, NY
• 1991-04-05, Portland, OR
• 1991-04-03, Ashland, OR
• 1991-03-31, Berkeley, CA
• 1991-03-29, San Francisco, CA
• 1991-03-23, Steamboat Springs, CO
• 1991-03-15, Englewood, CO
• 1991-03-07, Oxford, MS
• 1991-02-27, Knoxville, TN
• 1991-02-14, Ithaca, NY
• 1990-12-31, Boston, MA
• 1990-12-29, Providence, RI
• 1990-11-30, Keene, NH
• 1990-11-28, Syracuse, NY
• 1990-11-16, Providence, RI
• 1990-11-09, Chicago, IL
• 1990-11-08, Madison, WI
• 1990-11-06, Minneapolis, MN
• 1990-11-02, Boulder, CO
• 1990-10-20, Tuscaloosa, AL
• 1990-10-18, Athens, GA
• 1990-10-07, Sayreville, NJ
• 1990-10-05, Saratoga Springs, NY
• 1990-09-22, Amherst, MA
• 1990-09-14, Providence, RI
• 1990-06-08, Ardmore, PA
• 1990-05-31, Athens, GA
• 1990-05-24, Raleigh, NC
• 1990-04-28, Dorchester, MA
• 1990-04-26, Oberlin, OH
• 1990-04-22, Colorado Springs, CO
• 1990-04-14, Steamboat Springs, CO
• 1990-04-06, Crested Butte, CO
• 1990-04-04, Boulder, CO
• 1990-03-08, Saratoga Springs, NY
• 1990-03-01, New Haven, CT
• 1990-02-24, Washington, DC
• 1990-02-23, Haverford, PA
• 1990-02-10, Ardmore, PA
• 1990-02-09, Lancaster, PA
• 1990-02-03, Atlanta, GA
• 1989-12-31, Boston, MA
• 1989-12-15, New York, NY
• 1989-12-08, Poultney, VT
• 1989-12-07, Baltimore, MD
• 1989-12-03, Burlington, VT
• 1989-12-01, Boston, MA
• 1989-11-09, Williamstown, MA
• 1989-10-28, Poughkeepsie, NY
• 1989-10-26, New York, NY
• 1989-10-22, Burlington, VT
• 1989-10-20, Burlington, VT
• 1989-10-14, Geneva, NY
• 1989-08-12, Burlington, VT
• 1989-07-01, Montréal, Québec, Canada
• 1989-05-20, Northfield, MA
• 1989-05-09, Burlington, VT
• 1989-05-09, Burlington, VT
• 1989-05-06, Hanover, NH
• 1989-05-05, Clinton, NY
• 1989-04-30, Cambridge, MA
• 1989-04-27, Durham, NH
• 1989-04-21, Burlington, VT
• 1989-04-15, Burlington, VT
• 1989-03-13, Burlington, VT
• 1989-03-04, New York, NY
• 1989-03-03, Burlington, VT
• 1989-02-18, Newmarket, NH
• 1989-02-06, Burlington, VT
• 1989-01-26, Boston, MA
• 1988-12-10, Amherst, MA
• 1988-12-02, Boston, MA
• 1988-11-11, Newmarket, NH
• 1988-11-05, Clinton, NY
• 1988-11-03, Boston, MA
• 1988-10-29, Plainfield, VT
• 1988-07-29, Telluride, CO
• 1988-07-12, Burlington, VT
• 1988-07-07, Burlington, VT
• 1988-06-21, Burlington, VT
• 1988-06-20, Burlington, VT
• 1988-06-15, Burlington, VT
• 1988-05-24, Burlington, VT
• 1988-05-23, Burlington, VT
• 1988-05-15, Hinesburg, VT
• 1988-05-14, Plainfield, VT
• 1988-04-22, Burlington, VT
• 1988-03-31, New York, NY
• 1988-03-21, Burlington, VT
• 1988-02-26, Burlington, VT
• 1988-02-24, Waitsfield, VT
• 1988-02-20, Canton, NY
• 1988-02-07, Burlington, VT
• 1987-11-19, Burlington, VT
• 1987-11-18, Burlington, VT