Whose Line Is It Anyway? (USA)/Season Four

Season Four
Whose Line Is It Anyway? (USA)
Season Premiere	September 6, 2001
Season Finale	April 11, 2002
Episode Count	31
Previous Season Three	Next Season Five

Season Four of Whose Line Is It Anyway? premiered on September 6, 2001.

Episodes

#	#	Title			Airdate
100	1	Show No. 401			September 6, 2001
101	2	Show No. 405			September 6, 2001
102	3	Show No. 324			September 20, 2001
103	4	Show No. 420			September 20, 2001
104	5	Show No. 317			September 27, 2001
105	6	Too Hot for Whose Line -- Show No. 413			October 3, 2001
106	7	Show No. 315			October 4, 2001
107	8	Show No. 414			October 4, 2001
108	9	Too Hot for Whose Line -- Show No. 318			October 10, 2001
109	10	Too Hot for Whose Line -- Show No. 419			October 17, 2001
110	11	Show No. 422			October 18, 2001
111	12	Show No. 337			October 25, 2001
112	13	Too Hot for Whose Line -- Show No. 418			November 7, 2001
113	14	Show No. 507			November 14, 2001
114	15	Salute to American Television -- Show No. 503			November 21, 2001
115	16	Show No. 417			November 22, 2001
116	17	Too Hot for Whose Line -- Show No. 412			November 28, 2001
117	18	Show No. 421			December 5, 2001
118	19	Show No. 411			December 12, 2001
119	20	Show No. 415			December 13, 2001
120	21	Show No. 409			December 19, 2001
121	22	Show No. 423			January 24, 2002
122	23	Show No. 416			January 24, 2002
123	24	Show No. 508			January 31, 2002
124	25	Show No. 403			February 7, 2002
125	26	Too Hot for Whose Line -- Show No. 404			February 12, 2002
126	27	Too Hot for Whose Line -- Show No. 432			February 12, 2002
127	28	Show No. 431			March 7, 2002
128	29	Show No. 402			March 14, 2002
129	30	Show No. 429			March 28, 2002
130	31	Show No. 427			April 11, 2002