The 2005–06 Bundesliga was the 43rd season of the Bundesliga, Germany's premier football league.
It began on 5 August 2005 and concluded on 13 May 2006.
FC Köln, MSV Duisburg and Eintracht Frankfurt.
FC Köln and Eintracht Frankfurt returned to the top flight after an absence of one year while MSV Duisburg returned in the top flight after an absence of six years.
They replaced VfL Bochum, Hansa Rostock and SC Freiburg, ending their top flight spells of three, ten and two years respectively.