With the NBA and NHL seasons over, it was exclusively summer programming this week and So You Think You Can Dance? took the top 2 spots for adults 18-49 for the week ending June 21. ABC put 3 summer reality shows in the top 10, Wipeout at #4, The Bachelorette at #6 and I Survived A Japanese Game Show at #9. The rest of the adults 18-49 was primarily CBS repeats and the stripped Univision telenovela Mañana Es Para Siempre.
The Top 20 list for average viewership was completely dominated by CBS repeats, as they took 15 of the top 20.
Both the adults 18-49 and overall viewing top 20 lists are below.
Nielsen Top Twenty Shows with adults 18-49 for the week ending June 21, 2009:
| Rank | Programs | R=Repeat S=Special P=Premiere | Net | 18-49 Rating | Adults 18-49 Viewers (000) |
| 1 | SO YOU THINK CN DANCE-WED | FOX | 3.1 | 4,076 | |
| 2 | SO YOU THINK CN DANCE-THU | FOX | 2.9 | 3,862 | |
| 3 | Two and a Half Men | R | CBS | 2.8 | 3,701 |
| 4 | Wipeout | ABC | 2.7 | 3,557 | |
| 5 | Big Bang Theory, THE | R | CBS | 2.6 | 3,465 |
| 6 | BACHELORETTE, THE | ABC | 2.4 | 3,152 | |
| 7 | Family Guy | R | FOX | 2.2 | 2,843 |
| 8 | MANANA PARA SIEMPRE MON | UNI | 2.1 | 2,716 | |
| 9 | I SURVED-JAPANESE GM SHOW | P | ABC | 2.1 | 2,710 |
| 10 | MANANA PARA SIEMPRE THU | UNI | 2.0 | 2,700 | |
| 11 | MANANA PARA SIEMPRE WED | UNI | 2.0 | 2,672 | |
| 12 | CSI: MIAMI | R | CBS | 2.0 | 2,662 |
| 13 | MANANA PARA SIEMPRE TUE | UNI | 2.0 | 2,639 | |
| 14 | How I Met Your Mother | R | CBS | 2.0 | 2,638 |
| 15 | Big Bang Theory, THE:SP(S) | SR | CBS | 1.9 | 2,463 |
| 16 | Dateline NBC-MON | NBC | 1.9 | 2,442 | |
| 17 | I'M A CELEBRITY-THU | NBC | 1.8 | 2,435 | |
| 18 | Mentalist, THE - TUESDAY | R | CBS | 1.8 | 2,411 |
| 19 | Criminal Minds | R | CBS | 1.8 | 2,405 |
| 20 | MANANA PARA SIEMPRE FRI | UNI | 1.8 | 2,394 |
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Nielsen Top Twenty Shows among all viewers for the week ending June 21, 2009:
| Rank | Programs | R=Repeat S=Special P=Premiere | Network | Viewers Live+SD (000) | HH Rating (Live+SD) | HH Share (Live+SD) |
| 1 | NCIS | R | CBS | 10,394 | 7.0 | 13 |
| 2 | Two and a Half Men | R | CBS | 10,188 | 6.5 | 11 |
| 3 | Mentalist, THE - TUE | R | CBS | 10,118 | 6.7 | 11 |
| 4 | CSI | R | CBS | 9,715 | 6.4 | 11 |
| 5 | Mentalist, THE | R | CBS | 8,969 | 6.1 | 11 |
| 6 | SO YOU THINK CN DANCE-WED | FOX | 8,483 | 5.3 | 9 | |
| 7 | Big Bang Theory, THE | R | CBS | 8,417 | 5.4 | 9 |
| 8 | 60 Minutes | CBS | 8,305 | 5.5 | 12 | |
| 9 | CSI: MIAMI | R | CBS | 8,252 | 5.6 | 10 |
| 10 | Criminal Minds | R | CBS | 8,037 | 5.3 | 9 |
| 11 | Wipeout | ABC | 7,995 | 4.5 | 8 | |
| 12 | SO YOU THINK CN DANCE-THU | FOX | 7,984 | 4.9 | 9 | |
| 13 | CSI: NY | R | CBS | 7,797 | 5.2 | 9 |
| 14 | NCIS THUR 8PM | SR | CBS | 7,596 | 5.1 | 10 |
| 15 | 48 Hours Mystery TUE | R | CBS | 7,199 | 5.1 | 9 |
| 16 | BACHELORETTE, THE | ABC | 6,761 | 4.6 | 8 | |
| 17 | COLD CASE | R | CBS | 6,752 | 4.4 | 8 |
| 18 | WITHOUT A TRACE SUN | SR | CBS | 6,700 | 4.4 | 8 |
| 19 | MILLION DOLLAR PASSWORD | R | CBS | 6,254 | 4.1 | 8 |
| 20 | Big Bang Theory, THE | SR | CBS | 6,047 | 4.1 | 8 |
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Nielsen TV Ratings Data: ©2009 The Nielsen Company. All Rights Reserved.
All numbers are Live + SD (live, plus same day DVR viewing)
