Bubbles (object)

Bubbles are often seen in SpongeBob SquarePants in many forms.

Hobby

SpongeBob and Patrick plays with bubbles and is considered along with Jellyfishing one of SpongeBob and Patrick's favorite hobbies.

There are many forms of bubbles in the series, such as:

More to be added...

In Bubblestand, there have been techniques to making unique bubbles.

Throughout most episodes of SpongeBob SquarePants, there has been bubble transitions used to move to the next scene.

In Born to Be Wild, SpongeBob breaks the fourth wall by riding on the bubble transition.
Bubbles can be created from other liquids such as the paint in Wet Painters.
Atlantis's prized possession, the oldest-living bubble has been desired by SpongeBob and Patrick to take the picture of the bubble. They took the picture of the bubble, and though they popped it, it wasn't the real bubble. The real bubble was under LRH's possession. After Patrick took a picture of it, the bubble popped and LRH summoned his guards to seize them. Fortunately for him, Plankton became the replacement of the bubble.