TV dramas usually used the following methods: 1. Time travel: The protagonist travels to a certain point in time in the past through some special means. For example, the protagonist of the time travel scene in Cross Fire traveled to ancient times through a time machine. 2. Space travel: The protagonist travels to another space through some method. For example, in the transmigration scene in " Void Traversing," the protagonist transmigrated to another world through a portal. 3. Soul Traversal: The protagonist's consciousness transmigrated into another person's body. For example, the consciousness of the protagonist in the transmigration scene in " The Mysterious Island of Time Travel " had transmigrated into someone else's body and became that person. 4. Virtual reality travel: The protagonist travels to another world through virtual reality technology. For example, the protagonist of the transmigration scene in " Virtual Reality Traversal " traveled to the future world through the virtual reality helmet. Different methods of transmigration would have different plots and settings, which was also a major feature of transmigration television dramas.