Point of No Reckoning - Smallville/Supernatural 100th Episode Compare/Contrast

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CHALLENGE 19 SECOND CHANCE: COMPARE & CONTRAST
Point of No Reckoning - Smallville/Supernatural 100th Episode Compare/Contrast
Spoilers for Supernatural 5x18 (Point of No Return) and Smallville 5x12 (Reckoning)



how hard could the hundredth episode be?