↓ Transcript
Stuff You May Have Forgotten to Clean: Water Bottle
Panel 1:
Close up of water bottle. A little bit of green is in the opening.
Panel 2:
Lisa starts to take a drink. A green glob comes out of the water bottle. Her eyes are closed, so she doesn't see it.
Panel 3:
The green glob has turned into a monster, and it's on her head. She sees it now.