Voltron: Legendary Defender (2016)

S02E04 Greening the Cube

As the Paladins undertake maintenance on the castle, they stumble upon peculiar spongy spores. This unexpected discovery transports them to a vibrant planet inhabited by remarkable engineers, known for their innovative designs and advanced technology. The Paladins must navigate this new world while uncovering the secrets of the spores and the engineers' intriguing creations.