CO2 (Space Sponge)

While the gang is digging a hole for shelter, Sandy realizes that she is almost out of oxygen and that they forgot to bring extra tanks. Sandy is doomed to die of suffocation until she notices something odd amongst the algae. Upon taking a look, she immediately recognizes what is there, and it might be the key to saving her life.
Sister episode: Home Sweet Home 
==Trivia==
Category:Space Sponge Episodes
Category:Space Sponge
Category:Episodes
Category:Da Nerd
Category:2013
Category:2010s