, ET has an exclusive sneak peek of guest star Martin Short appearing as a leprechaun and explaining the rules of the titular magical town to recent arrivals Melissa (Cecily Strong) and Josh (Keegan-Michael Key).
After going on a misguided backpacking trip to fix their relationship, the couple stumbles upon the little town full of singing people.
And while initially delighted by the song and dance upon their arrival, they soon learn that leaving isn’t as simple as crossing back over the bridge from which they came.
As Short’s character explains, or rather sings, “Once he has entered Schmigadoon, it’s true that he won’t be leaving soon. Within borders he are bound until, at last, true love is found.
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