I Wonder What She's Doing Tonight

"I Wonder What She's Doing Tonight" is a song written, produced, and sung by Boyce and Hart. The song was arranged by Artie Butler. It was a hit in 1968, reaching #7 on the Cash Box chart and #8 on the Billboard Hot 100 chart. The song features a trumpet solo by Marvin Stamm. The song also features the voice of Tommy Boyce, quickly saying to Bobby Hart, before the third verse, "All right, Bobby, let's go."

A different song with the same title was recorded and released in 1963 by the doo wop group Barry & the Tamerlanes. Still another song with the same title was recorded by Russell Smith in 1989.