"Every song must end."—Ood SigmaThe Doctor and Donna randomly visit the planet where the subservient race, Ood (last seen in the season two episodes, "The Impossible Planet" and "The Satan Pit”), are processed and sold. Things have not been going so well lately at Ood Operations. Business is down and a select few of their "product" are experiencing "red eye," which, besides its namesake, has caused those affected Ood to turn on and kill their owners.After landing, they encounter an Ood (responsible for the initial killing) that exhibits the "red eye" symptoms and soon dies. The Doctor ponders whether it's the actual Devil controlling the Ood again (see previously two mentioned episodes). They follow a spaceship to the Ood Operations center on the planet and join an investor tour group. The Doctor is able to deduce that it's the year, 4126 or as he puts it, "The Second Great and Bountiful Human Empire," to an awestruck Donna. Though 'bountiful,' Donna cannot seem to come to...read more