'Star Trek: Strange New Worlds' breaks into song

The following article contains spoilers for "Subspace Rhapsody." At some point in the '90s, it became law that all genre shows with a certain flexibility in their premise must do a musical episode. Xena, Ally McBeal, Buffy, Psych, Grey's Anatomy and Scrubs have all done one, as has Supernatural, Once Upon a Time, 7th Heaven, Supergirl and The Flash. Now, it's Strange New Worlds' turn to make its characters spontaneously burst into song as it drops "Subspace Rhapsody" as the penultimate episode o...