Episode Overview
A prank in a high school science class goes terribly awry, injuring a teacher and several students. Hathaway discovers Meg's drug addiction. Weaver and Greene notice Lawrence gets easily confused.
Guest Stars
Kellie Martin
Lucy Knight
Gloria Reuben
Jeanie Boulet
Erik Palladino
Dave Malucci
Aimee Garcia
Leanne Lawler
Patrick Renna
Howie McMurtry
Vincent Kartheiser
Jesse Keenan
Yvette Freeman
Haleh Adams
Martha Plimpton
Meg Corwin
Miguel Sandoval
Mr. Perez
Alan Alda
Gabriel Lawrence
Deezer D
Malik McGrath