With its four venues (Großes Haus: 700 seats, Komödienhaus: 315 seats, BOXX: 120 seats, Salon3: 88 seats), Theater Heilbronn is one of the biggest cultural attractions in the region. Since the 2014/2015 season, the "Junges Theater" division has been running alongside the drama department, with its own ensemble and its own venue. Around 12 productions are premiered each season with the drama ensemble. Top-class national and international guest performances from the fields of music theater and dance are invited to complement the repertoire. Several international festivals with a focus on dance ("Tanz! Heilbronn"), puppet theater ("Imaginale") and scientific theater ("Science & Theatre") complete the program. Around 550 events and performances take place at Theater Heilbronn each season.
In addition, the theater cooperates with renowned regional and national cultural and educational institutions, such as the experimenta Heilbronn, the Württemberg Chamber Orchestra and the Stuttgart University of Music and Performing Arts.
The theater also cooperates with over 40 schools and has a wide-ranging educational theater program.