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Watch Schoolhouse Rock! - Season 4 Episode 4 Online!:

An energetic, enthusiastic look at the cardiovascular system.

Release Date: 1973-01-06
Seasons: 1 2 3 4 5 6 7
TMDb: 7.4/10
  • Country: US
  • Language: English
  • Runtime: 3

Other episodes for this season

A Victim of Gravity
Episode 1 - A Victim of Gravity
Interplanet Janet
Episode 2 - Interplanet Janet
The Body Machine
Episode 3 - The Body Machine
Do the Circulation
Episode 4 - Do the Circulation
The Energy Blues
Episode 5 - The Energy Blues
Them Not-So-Dry Bones
Episode 6 - Them Not-So-Dry Bones
Electricity, Electricity
Episode 7 - Electricity, Electricity
Telegraph Line
Episode 8 - Telegraph Line
The Greatest Show on Earth (aka The Weather Show)
Episode 9 - The Greatest Show on Eart...