Minecraft: Story Mode Season 2 Episode 4 is now available on Xbox One. You can download the content for $4.99 individually or download it and the other available episodes for $19.99 USD.
The episode story description:
After narrowly escaping from the Admin’s twisted prison, Jesse and the remaining fugitives discover not just a forgotten city but an entire hidden world buried beneath the bedrock. Though largely in ruin, the gang quickly learns it’s not entirely abandoned, leaving them to win over wary inhabitants, face unexpected challenges, and pursue the real truth about the Admin’s origins…
Episode four of a five part episodic game series.