The subtitle tells you which story format to expect
The original 90 Day Fiancé, Before the 90 Days, The Other Way and Happily Ever After? are separate shows. A returning couple can appear in more than one, so their names alone may not identify the season you remember.
Use the full title in search
Search 90 Day Fiancé first to see the related entries, or include the subtitle to narrow the result. Accents are not required for a useful search. Compare the starting year and premise before choosing an episode.
Reunions and extended installments
Tell-all programs, recaps and other extras can be grouped differently across services. Compare the exact installment title and date rather than assuming a number from one list matches every destination.
Follow more than one branch
Save each series you follow and set its own checkpoint. My List is a useful place to keep those parallel watches without deciding that one series has replaced another.