Tom Clancy and Phineas and Ferb Crossovers
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The Origins of the Teen Criminals: the Dark Zone Survivors by Rookie Fictioner reviews
Gretchen and Ferb have been stuck inside the Dark Zone area with rogue agents and enemy factions after them. Will they survive that contagious area? The second chapter of the origins.
Rated: T - English - Romance/Adventure - Chapters: 5 - Words: 5,305 - Reviews: 1 - Favs: 1 - Follows: 1 - Updated: 2/28/2016 - Published: 2/26/2016 - [Ferb, Gretchen] - Complete