So, I think fear is the main driving force behind religion - fear of death, the unknown, not existing anymore, never seeing dead loved ones again, not having a «purpose» in / of life, etc.. (religion.blogs.cnn.com)
Both are animated features steeped in the aesthetics and customs of Day of the Dead: the Mexican tradition of creating elaborate altars, painted skulls and paths of marigolds to welcome the spirits of dead loved ones for a temporary visit to the world of the living. (apnews.com)
Spaceships hover over major cities, as people are visited by dead loved ones who speak for this alien race's leader, Karellen (Charles Dance). (rogerebert.com)