Episode 13 of "Numb3rs"
s01e13 Man Hunt
Title: Man Hunt
Original Air Date: 05/13/2005 on CBS
Director: Martha Mitchell
Writer: Andy Dettman
Guest Stars: Christina Cox (CHP Officer Morris), Eddie Velez (Raynor), Anthony DeSando (Detective Reed), John Del Regno (Foreman), Brent Briscoe (Guard), Chad L. Coleman (Williams), Jennifer Westfeldt (Karen), Julie Mann (Student), Kevin Fry-Bowers (McDowd), Jim Wilkey (Driver), Ryan McConville (Lewis), Napiera Danielle (William's Girlfriend)
Plot Outline:
A dangerous felon escapes when a prison bus crashes and the FBI has reason to fear he's intent on revenge against the witness whose testimony put him in jail. However, finding the elusive killer proves to be a complicated challenge. Don teams up with Agent Billy Cooper, his former partner from the FBI's Fugitive Recovery Division, and Alan worries that Don's going to return to a more dark and obsessive time in his career. Charlie finally teaches a class in this episode.