Bowser first appeared when he fought Mario on a racetrack in Epsiode 1, where he became Metal Bowser. He was defeated by the capsule containing Sonic and Shadow fell on him, breaking the metal shell he was using as Metal Bowser, and then finished off by Mario, thanks to the Cape Feather received by Luigi. While he hasn't been seen in Episode 4 (minus a short flashback sequence), it's implied that he had sent the Koopa Bros. to get the Chaos Emeralds for him, but they then decide that they will "call the shots" after their Chaos Emerald unexpectedly powers up their Tornado ability. He was not seen again until Episode 7 when Kammy reports the destruction of Yoshi's Island by a Spikey Blue Robot and reports that the Koopa Bros. "turned in their shells" (Though Bowser misinterprets this to mea