[Warning: The following contains light spoilers for Sunday's episode of Outlander. Read at your own risk!] Outlander has cleverly snuck "earworms" into its time-traveling adventure story over the past five seasons, but Sunday's episode, "Famous Last Words," contains a version of the classic folk tune, "Oh My Darling, Clementine" that will stick with you long after the episode.
Brianna (Sophie Skelton) sings the tune in the episode, and the closing credits roll to a duet version sung by Skelton and Richard Rankin, the latter of whom doesn't sing in the episode for reasons we won't spoil here.
TV Guide has learned that Starz does not have immediate plans to release the song, but there is still hope for it to show up on the Season 5
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