Multiverse Travel Season 4

The Daxia exploration team discovers the extinct Osta civilization and its AI, Xiao Zhu, on an ice planet. To retrieve technological heritage a century ahead, they infiltrate a monster nest to reclaim the permission key, lifting the AI's restrictions. After learning the Osta civilization was destroyed when the sun was stolen, the team vows to help Xiao Zhu preserve the flame of civilization, bringing back the complete tech tree to Daxia and ushering in a new era of technological leap for Earth.