When Tony opens a letter releasing a mysterious powder from inside, he and Kate are put into biohazard isolation as a precaution.
Director:
Dennis Smith
Cast:
Mark Harmon
Sasha Alexander
Michael Weatherly
Pauley Perrette
Sean Murray
David McCallum
Brian Dietzen
Tamara Taylor
Steven Eckholdt
Kelsey Oldershaw
Mariette Hartley
Olivia Burnette
Ty Upshaw
Bibi Amos
Rizwan Manji