The first season used two pieces of theme music. , performed by Yoko Ishida is used as the opening. is used as the ending. "Bookmark A Head" is performed by the main cast as usually duets and the singers vary from episode to episode. , translated by Takaaki Suzuki, and performed by Minna-Dietlinde Wilcke (Rie Tanaka), is used as an insert song in episode 8. In Funimation's release, , a song also sung by Rie Tanaka from the CD album for the "Strike Witches: What I Can Do Along With You" game, was substituted for Lili Marleen.