Journey to the Microcosmos

Season 7 Episode 48: Why Do Planarians Have Those Triangles on their Heads?

Flatworms are kind of adorable. And they have keep scientists up at night for a few reasons.

Genre:

Documentary

Seasons:

7

Episodes:

236

Cast:

Hank Green

Quality:

HD

Duration:

8 min

First Air:

2019

Rating:

7.0