Doctor Who Grab Bag - An Eighth and Third Doctor Adventures

The couple spend this episode talking about two random serials in the Doctor Who franchise - the Big Finish Eighth Doctor adventure "Invaders from Mars" and the Third Doctor episode "Colony in Space." What do you think of these two quite different episodes?

In their look into the TARDIS library, Phillip reviews the First Doctor biography, "Who's There? The Life and Career of William Hartnell," penned by Hartnell's granddaughter.