When Worlds Collide

When one of Charlie's friends, a scientist at the university, is arrested for terrorist activities, it puts him at philosophical odds with Don. And as he works to prove the man's innocence, his beliefs may jeopardize his career.

Crazy Credits
[This appears on the beginning of the episode] 783,350,200 online research documents 41,000 gene loci in rice 112 designer viruses 2 kidnapped men

Trivia

 * This is the last episode for Megan Reeves, not only as a main character, but in the series in its entirety.