Bubbly water is a drink that only appears in the episode "Ditchin'."
The water is clear and bubbly. The bottle is transparent and the bottle cap is dark gray in color. On the bottle, there is a light yellow label.
Role in episode
Patrick drinks a lot of this water, due to him wanting something else to drink, but the bubbly water suffices. Patrick keeps drinking all of the water until it is all gone and he gets abnormally obese.