Mark Rober's CrunchLabs vs Murder in the 21st
Mark Rober's CrunchLabs has the higher audience score (9.7/10 against 8/10 for Murder in the 21st). Murder in the 21st is the older of the two (2023 against 2025). Both are documentary shows, so they suit a similar mood.
Mark Rober's CrunchLabs
Murder in the 21st| Mark Rober's CrunchLabs | Murder in the 21st | |
|---|---|---|
| Audience score | ★ 9.7/10 | ★ 8.0/10 |
| Year | 2025 | 2023 |
| Seasons | 4 | 1 |
| Genres | Documentary, Family | Documentary |
| Country | US | – |
| Creator / director | – | – |
| Main cast | – | – |
Synopsis
Mark Rober's CrunchLabs
At CrunchLabs, Mark Rober transforms wild ideas into reality, blending engineering and outrageous fun for science adventures you'll never forget.
Murder in the 21st
A compelling new true crime series exploring some of this century’s most notorious homicide investigations through a deep dive into each victim’s digital footprint. Analyzing social media posts, texts, emails and podcasts alongside authentic archival materials and police records, “Murder in the 21st” provides unflinching access to each case as investigators uncover motive, means and opportunity.
Where to watch
Where to watch Mark Rober's CrunchLabsWhere to watch Murder in the 21st
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