List of Numbers episodes
Season 4 (2007–08)

List of Numbers episodes

Section Title: Season 4 (2007–08)
Table Section Text: None

No. overall	No. in season	Title	Directed by	Written by	Original air date	Prod. code	US viewers (millions)

62	1	"Trust Metric"	Tony Scott	Ken Sanzel	September 28, 2007	401	9.38

63	2	"Hollywood Homicide"	Alexander Zakrzewski	Andy Dettmann	October 5, 2007	402	9.76

64	3	"Velocity"	Fred Keller	Nicolas Falacci & Cheryl Heuton	October 12, 2007	403	9.16

65	4	"Thirteen"	Ralph Hemecker	Don McGill	October 19, 2007	404	9.85

66	5	"Robin Hood"	J. Miller Tobin	Robert Port	October 26, 2007	405	9.70

67	6	"In Security"	Stephen Gyllenhaal	Sean Crouch	November 2, 2007	406	9.34

68	7	"Primacy"	Chris Hartwill	Julie Hébert	November 9, 2007	407	9.94

69	8	"Tabu"	Alex Zakrzewski	Sekou Hamilton	November 16, 2007	408	10.26

70	9	"Graphic"	John Behring	Nicolas Falacci & Cheryl Heuton	November 23, 2007	409	10.12

71	10	"Chinese Box"	Dennis Smith	Ken Sanzel	December 14, 2007	410	9.75

72	11	"Breaking Point"	Craig Ross, Jr.	Andrew Dettman	January 11, 2008	411	9.81

73	12	"Power"	Julie Hébert	Julie Hébert	January 18, 2008	412	10.08

74	13	"Black Swan"	John Behring	Ken Sanzel	April 4, 2008	413	10.00

75	14	"Checkmate"	Stephen Gyllenhaal	Robert Port	April 11, 2008	414	9.54

76	15	"End Game"	Dennis Smith	Don McGill	April 25, 2008	415	9.64

77	16	"Atomic No. 33"	Leslie Libman	Sean Crouch	May 2, 2008	416	10.33

78	17	"Pay to Play"	Alex Zakrzewski	Steve Cohen & Andrew Dettman	May 9, 2008	417	9.33

79	18	"When Worlds Collide"	John Behring	Nicolas Falacci & Cheryl Heuton	May 16, 2008	418	9.78

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