In case anyone's curious, the series is Boss Keys and there's three Metroid Prime episodes:
• Metroid Prime 1: https://www.youtube.com/watch?v=zyoGD6uwCmk&list=PLc38fcMFcV_ul4D6OChdWhsNsYY3NA5B2&index=19&t=0s
• Metroid Prime 2: https://www.youtube.com/watch?v=GBAQTd2MJFQ&list=PLc38fcMFcV_ul4D6OChdWhsNsYY3NA5B2&index=20&t=0s
• Metroid Prime 3: https://www.youtube.com/watch?v=Vi4fhAdndYA&list=PLc38fcMFcV_ul4D6OChdWhsNsYY3NA5B2&index=21&t=0s