Panspermia (from the Greek: πᾶς, πᾶσα, πᾶν (pas, pasa, pan) “all” and σπέρμα “seed”) is the theory that “the seeds of life” may be sewn throughout  the Universe, and that life on earth may have began with the arrival of these “seeds”. Professor Brian Cox is our guide in this wacky mixed media animation.