If you have watched TV since the 1990s, the sitcom theme song, “I’ll Be There for You,” has likely been stuck in your head at one point or another. New research from UC Davis suggests these experiences are more than a passing nuisance—they play an important role in helping memories form, not only for the song, but also related life events like hanging out with friends—or watching other people hang with their friends on the ’90s television show, Friends.