posted
My favorite is when he's got the flowerpot and is telling the flower how he controls whether it gets enough water and lives or dies.
Then it starts raining.
Edit: Second favorite is the one where Calvin asks what Hobbes would wish for if he had one wish. Hobbes says a sandwich, and Calvin tells him how lame that wish is - he should wish for money or power.
The last frame shows Hobbes eating a sandwich and saying, "I got my wish."