The Substitute The Troop : Season 1 Episode 12
TV-G Nickelodeon 30m
Aired: January 9th, 2010 @ 12:00 AM EST on Nickelodeon
When a veteran Troop member named Bianca Stonehouse replaces Mr. Stockley due to his dentist appointment, The Troop discover that she is a monster in disguise, there to help another monster escape and to find the real Bianca Stonehouse before its too late.
