Ranked #1 of 14 in Season 4•+0.7 vs season avg
A former pre-med student began inhaling a chemical to deal with a childhood trauma and her parents' divorce.
Jeff VanVonderen
Candy Finnigan
Ken Seeley
Donna Chavous
Maureen Brine
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"Allison" is episode 19 of Intervention season 4. It scored 8.9/10 from 33 votes, ranking #1 of 14 episodes this season (season average 8.2). It aired on August 11, 2008.