Sometimes, one healthy dose of Brigadier just isn’t enough. And none of that alarming ‘Inferno’ evil-Brig stuff, either!

Joined by friend Don Klees of Acorn Media, we revel in the time-manipulations and character performances of this Season 20 gem. The return of the Black Guardian and the introduction of the love-the-hate-him Turlough are completely upstaged by what we consider one of Nicholas Courtney’s best portrayals of Lethbridge-Stewart — in two incarnations — and a thoroughly compelling struggle of morality for the Fifth Doctor. With so much to ponder and enjoy, you’d think our brains would have difficulty staying within our heads…