Not Suitable for Work season 1 has 9 episodes.

Quick Scoop

The first season was released as a nine-episode run, with Hulu listing it as “1 season available (9 episodes).” People also reported that the season’s episode schedule ran through a nine-episode total.

Episode count at a glance

Season| Episodes
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Season 1| 9 37

TL;DR: Season 1 ends after episode 9.