who is she

SpongeBob SquarePants appears in a series of distinct scenes: first, he smiles while holding a large yellow object next to Sandy Cheeks in her dome; then, he stands with Squidward and Patrick in a dark, colorful environment; next, he looks terrified while being held by a green fish; he is then shown being pulled on a contraption in a gym with a sign reading "I ❤️ PAIN"; he grimaces in pain while being pulled; finally, he stands with his eyes closed and arms raised, smiling. The scenes take place in various underwater settings including a lab, a dark forest, a gym, and a blue ocean background.