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I Know This Much Is True poster

I Know This Much Is True (2020)

Drama

The parallel lives of identical twin brothers Dominick and Thomas Birdsey in an epic story of betrayal, sacrifice and forgiveness set against the backdrop of 20th century America.

IMDb rating
8.1 (28,306 votes)
Episode average
8.3 ↑ +0.2 vs IMDb
Seasons
1
Streaming (US)
HBO Max
Language
EN
Type
Mini-series

Rating trend: this show's seasons do not settle into one shape. Rising Shows ranks whole shows by the shape of their rating trend rather than one average score, which is how you find a show that got better rather than a show that started well.

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Ratings refreshed Oct 3, 2026 · 1 season indexed

Cast

Seasons

Season 1 (2020)

8.27 avg 6 episodes 7.9 → 8.7 63 min avg

Ep 1: 7.9 · 1,582 votesEp 2: 8.3 · 1,277 votesEp 3: 8.3 · 1,170 votesEp 4: 8.3 · 1,103 votesEp 5: 8.1 · 1,052 votesEp 6: 8.7 · 1,162 votes
Season 1 episodes - IMDb ratings
#TitleRatingVotes
1One7.91,582
2Two8.31,277
3Three8.31,170
4Four8.31,103
5Five8.11,052
6Six8.71,162

Episode ratings and vote counts from IMDb. Poster, overview, and streaming data from TMDB. Data refreshed 2026-10-03.

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