World War II with Tom Hanks has 20 episodes. The series is listed as a 20-part docuseries, and episode guides also show a full season of 20 installments.

Quick Scoop

  • Total episodes: 20.
  • It’s a single-season docuseries narrated/hosted by Tom Hanks.
  • Some guides note that two new episodes aired each Monday during its rollout.

Episode count sources

  • Wikipedia lists 20 episodes for the series.
  • The episode guide site also lists 20 eps.
  • IMDb’s episode list is consistent with a continuing episode lineup for the same series.

TL;DR: 20 episodes.