By Michael Tedder Starting this fall, there’s only one place you can catch “Saturday Night Live” reruns. If you missed John Mulaney’s recent subway-themed musical on “Saturday Night Live” or the grand return of the original “Law & Order” — America missed you, Jack McCoy — then you can currently hop on over to either Peacock (CCZ) – Get Comcast Corp. Report or Hulu (DIS) – Get Walt Disney Company Report and get caught up. But starting this fall, you will only be able to check out “Saturday Night Live” on Sunday afternoon on Peacock, because NBC and Hulu have officially announced they are gettin…