5 episodes
First episode: E1

When their 4-year-old son is murdered, a young couple fights a twisting and arduous battle trying to identify a frustratingly elusive killer.
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5 episodes
First episode: E1Quick answers about this series, release status, and episode totals.
Who Killed Little Gregory? first aired on November 20, 2019.
Who Killed Little Gregory? currently has 1 season and 5 episodes.
Who Killed Little Gregory? is ended, and no upcoming episode is currently scheduled.