Fair rating?Numb3rs· Season 4 · Episode 18
When World's Collide
Don and Charlie find themselves in conflict over their differing beliefs as they investigate a case involving national security. Meanwhile, Megan faces a crisis of conscience and leaves the team.
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#1In Season 4of 18 rated episodes
#4All-timeof 118 rated episodes
+0.4vs season avgSeason 4 averages 7.3
2008First airedMay 16, 2008
Guest stars
Željko Ivanekas William Fraley
Shawn Doyleas Shane O'Hanahan
Meera Simhanas Asha Rafiq
Paul Vincent O'Connoras Max Flaherty
Ravi Kapooras Phil Sanjrani
Tiya Sircaras Shaza Rafiq
David Valcinas Sport Coat #1Shan Alias Hadi Rafiq
Nick Jaineas Benjamin Rajar
Kevin Symonsas CIA Officer
Roman Mitichyanas Kaleen Rafiq
John Hawkinsonas AttorneyMichael Balsleyas Cop
Barber Alias The Real Hassan MazariCrew
John BehringDirectorCheryl HeutonWriter
Nicolas FalacciWriter