Playlist
Conan races down the autobahn, tries to master "schuhplattler" and visits a dominatrix while in historic Berlin, Germany.
While facing dramatic changes in his relationship with Amy, Sheldon pushes Penny and Leonard to choose a wedding date.
Sheldon struggles to understand what is going on with Amy; Penny must decide if she can get past Leonard's bad behavior.
Leonard tries to ease Penny's mind; Sheldon plans a special episode of "Fun With Flags"; Bernadette feels bad about keeping a secret.