The Key to Time "The Armageddon Factor" Production 5F January 20 - February 20, 1979 The final segment to the Key to Time may prove the most difficult to find as the Black Guardian and his henchman, the Shadow, are hot on the trail as well. Podcaster John S. Drew and writer/editor Jim Beard join forces once again to become the masters of time and space as they watch and review every single episode of the Classic Doctor Who series. In this episode, they discuss John's devotion to Lalla Ward, Romana's poor exit, and the legacy of Mary Tamm. Please make sure you are subscribed to our podcast via any of the major popular podcasting apps. You can write and comment or ask questions of us via email at [email protected] or by joining our Facebook community. Join our Patreon community where your sponsorship earns you early access to new episodes as well as exclusive content. Click on the link here to take you to the Patreon page.