When did This Is Mark Rober Season 1 Episode 4 air?
This Is Mark Rober Season 1 Episode 4 aired on May 4, 2023.


Providing a rare glimpse into the concepts and processes behind some of Mark Rober's most outrageous viral videos, including all-new and never-before-seen footage.

Mark helps viewers dive into three pools; one is filled with 25 million Orbeez, one is filled with liquid sand and one is filled with jello; he unveils a never-before-seen, top-secret blaster.
Direct answers for episode-level questions and details.
This Is Mark Rober Season 1 Episode 4 aired on May 4, 2023.
This episode runs for approximately 42 minutes.
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