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[back to top] American Idol  Episodes (Semifinals only)

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# Date Episode / Theme #Cn #Pf Average Rating Hi Lo σ 0-19 20-39 40-59 60-79 80-100
26 41333 Feb 28, 2013
41333 AI12 - Vegas QF Guys 4
Open
 10 10
44.3
 
78 16 20.7 1 3 5 1 0
27 43556 Apr 1, 2019
43556 AI17 - Top 20 Solo
Open
 20 20
49.6
 
92 16 19.6 2 5 7 4 2
28 37432 Jun 25, 2002
37432 AI1 - Semi Group 2
Open
 10 10
41.0
 
84 15 17.4 3 2 2 2 1
29 40239 Mar 2, 2010
40239 AI9 - Top 20 (Guys)
Billboard charts
 10 10
43.4
 
70 15 20.4 1 3 3 3 0
30 42067 Mar 4, 2015
42067 AI14 - Top 8 Guys
Motown
 8 8
45.8
 
66 15 17.0 2 1 3 2 0
31 40246 Mar 9, 2010
40246 AI9 - Top 16 (Girls)
Billboard charts
 8 8
51.8
 
90 14 13.3 1 2 2 2 1
32 42424 Feb 24, 2016
42424 AI15 - Wild Card
Favorite Performance
 10 10
42.2
 
79 14 18.2 1 5 1 3 0
33 38405 Feb 22, 2005
38405 AI4 - Top 24 (Girls)
Open
 12 12
46.7
 
87 13 18.8 1 5 2 2 2
34 39134 Feb 21, 2007
39134 AI6 - Top 24 (Girls)
Open
 12 12
52.3
 
88 13 15.2 2 4 0 3 3
35 39141 Feb 28, 2007
39141 AI6 - Top 20 (Girls)
Open
 10 10
50.6
 
92 13 14.8 2 2 2 3 1
36 43947 Apr 26, 2020
43947 AI18 - Top 20
Open (online)
 20 20
46.9
 
67 13 23.0 1 6 7 6 0
37 38783 Mar 7, 2006
38783 AI5 - Top 16 (Girls)
Open
 8 8
50.4
 
87 12 18.5 1 1 4 1 1
38 39133 Feb 20, 2007
39133 AI6 - Top 24 (Guys)
Open
 12 12
39.3
 
79 12 18.3 3 5 1 3 0
39 39511 Mar 4, 2008
39511 AI7 - Top 16 (Guys)
1980s
 8 8
56.8
 
90 12 15.9 1 1 2 2 2
40 39875 Mar 3, 2009
39875 AI8 - Semi Group 3
Billboard Hot 100
 12 12
51.8
 
84 12 19.6 2 2 2 5 1
41 41326 Feb 21, 2013
41326 AI12 - Vegas QF Guys 2
Open
 10 10
39.8
 
68 12 18.4 1 4 3 2 0
42 37656 Feb 4, 2003
37656 AI2 - Semi Group 1
Open
 8 8
45.1
 
70 11 19.3 1 3 1 3 0
43 40968 Feb 29, 2012
40968 AI11 - Top 25 (Girls)
Open
 12 12
52.9
 
85 11 14.5 2 2 2 4 2
44 43205 Apr 15, 2018
43205 AI16 - Top 24 Solo (ii)
Open
 12 12
47.5
 
78 11 17.5 3 1 4 4 0
45 38041 Feb 24, 2004
38041 AI3 - Semi Group 3
Open
 8 8
47.4
 
92 10 17.6 1 1 4 1 1
46 38412 Mar 1, 2005
38412 AI4 - Top 20 (Girls)
Open
 10 10
44.5
 
68 10 21.3 1 2 5 2 0
47 38769 Feb 21, 2006
38769 AI5 - Top 24 (Girls)
Open
 12 12
45.8
 
80 10 15.8 3 2 3 3 1
48 42060 Feb 25, 2015
42060 AI14 - Top 12 Guys
Open
 12 12
47.0
 
85 10 18.0 2 3 2 4 1
49 43212 Apr 22, 2018
43212 AI16 - Top 14
Open
 14 14
47.1
 
87 10 17.9 3 3 4 2 2
50 37425 Jun 18, 2002
37425 AI1 - Semi Group 1
Open
 10 10
41.4
 
86 9 18.1 3 1 4 1 1
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