Legends of Spark Season 1 Episode 40 Burning Memories

Bellows loses his electromagnetic valve, and can't release the electric charge building up in his body, leading to illness. Marshall just happens to have the electromagnetic valve that Bellows needs, but Ruler Vulcan, wanting it in order to reconstruct a once-scrapped partner, offers Marshall a high price for it. Spark and Vulcan, both wanting to help their friends, compete over the part.