Lunar Jim Episode 10 Mind and Muscle / Moonbubbles and Bellyburps Episode Title: Mind and Muscle / Moonbubbles and Bellyburps Episode Description: Mind and Muscle:When Jim tries to get a blue lunar sapphire for Eco inside a cave, a gigantic blue sapphire rolls by and blocks the cave entrance, which is too big and heavy for them to push away using their muscles. Moonbubbles and Bellyburps:The lunar worm is sick and has the stomach burps, so Jim and his friends search for Moonbubbles for the lunar worm, which is the only cure for its stomach burps. But the Moonbubbles are invisible, so Jim always squashes the Moonbubbles when he tries to pick them.