|Airdate||October 7, 2004|
|Curriculum||Engineering & Tech|
Submarines launched in BrainPOP Engineering & Technology October 7, 2004.
Moby dives into the pool and touches the bottom of it with his feet.
At the end, Moby sprays Tim with water.
Tim: Hey, Moby, check this one out!
Tim: I didn't know you had ballast tanks. [sprays Tim with water] Aaaah!