Jupiter and Saturn are the two largest planets in the Solar System in The SpongeBob Movie: Sponge Out of Water.
They are two planets, Jupiter being the larger of the two and Saturn being the smaller one. The latter has rings around it, and both planets are gas giants.
Role in episode
Bubbles has SpongeBob and Plankton watch Jupiter and Saturn while he goes to take a break in the bathroom. SpongeBob watches the two planets closely while Plankton isn't as into it, but the two planets end up colliding because of the change in the character watching the planets. SpongeBob and Plankton try to fix the mess that was caused by Jupiter and Saturn crashing into each other, but Bubbles finds out and attempts to annihilate them. Fortunately, SpongeBob and Plankton escape before they get hurt by Bubbles' lasers.
- Saturn is about 1/3 of its actual size.