Title: Perfect Memory.
Synopsis: When John is hunting a Shtriga in Wisconsin he leaves Sam and Dean alone in a hotel room. Dean gets bored and goes out, and comes back to find the Shtriga attacking Sammy. John returns in time to scare the Shtriga off. When packing up their stuff and putting Sam in the Impala, he starts towards their hotel room but stops when he sees CPS taking Dean and putting him in their car. After they put Dean in the car and start searching for him and Sam, he gets back to the car and leaves with Sammy. A few days later Dean is being taking back to an orphanage in Lawrence, Kansas. On the way to Lawrence, Kansas, they enter Smallville as it is struck by the first of two meteor showers in 16 years. The car swerves and ends up rolling over into the field, Dean wakes up shortly and discovers that the CPS people are dead, and then he gets out and starts walking around. He then finds Kal-El's ship and meet's Kal-El. Jonathan and Martha Kent find and adopt Kal-El and Dean, they re-name Kal-El "Clark", but keep Dean's name the same.
Fandom: Supernatural/Smallville/Criminal Minds.
Pairings: Dean/Chloe, Sam/Lana, Samuel/Deanna, Clark/Lex, Jonathan/Martha, Aaron/Jennifer, Spencer/Lila, Derek/Jo, Bobby/Ellen, Oliver.
Spoilers: Basically all seasons for Supernatural, Smallville and Criminal Minds.
Disclaimer: "SUPERNATURAL" and other related entities are owned, (TM) and © by WARNER BROS. TELEVISION in association with WONDERLAND SOUND AND VISION. "SMALLVILLE" and other related entities are owned, (TM) and © by TOLLIN/ROBBINS PRODUCTION, and WARNER BROS. TELEVISION in association with THE WB. All Rights Reserved. No copyright infringement intended!