google.com, pub-ca-pub-6067120031842370, DIRECT, f08c47fec0942fa0 Spearhead from Space The Third Doctor, Jon Pertwee, makes his debut in the classic Doctor Who story, Spearhead from Space. After being on trial before the Time Lords, the Doctor’s appearance is changed and sent to earth. His TARDIS lands in a field outside of London where he steps out and collapses. He is found by some soldiers from UNIT and transported to a local medical facility. The Doctor’s TARDIS isn’t the only alien transportation device to land in…