Intro: Tonight, The Doctor confronts his doppelgänger, and what may be the most powerful force in the universe. No, it isn't the Bears' defense, though they could probably give The Dodecahedron a tussle, if there were a Super Bowl on Tigella.

Outro: The most popular song of Alzarius, intended more as a warning than an entertainment, is "When the mistfall comes over the mountain, the monsters arise from the marsh." Hear it and more from the Alzarian top 40, next Sunday night at 11. [source: ChicagoEpguides]