Cosmic Adventures in Parallel Time and Space, Tianmen

The science and technology of human civilization has developed to the stage of intergalactic space jump. Suddenly, a super-strong energy field intervenes. The scientific research spacecraft and the team of scientists lost contact for a month. When they met again, they were shown to have encountered an exogalactic civilization. This gave them a new understanding of galactic civilization, the evolution of life, and the further expansion of technological forms.