The first season of Glee consists of 22 episodes.The pilot episode was broadcast on May 19, 2009.The series returned on September 9, 2009, airing an additional twelve episodes on Wednesdays in the 9:00 pm timeslot until December 9, 2009, for a total of thirteen episodes. On September 21, 2009, nine more episodes were ordered for the first season by ,and the first of these episodes was broadcast on April 13, 2010. These episodes aired on Tuesday evenings at 9:00 pm.On January 11, 2010, it was announced that Fox had commissioned a second season of the show. The second season began production in June 2010.Season two began on September 21, 2010,airing in the 8:00 pm time slot on Tuesdays, and consists of 22 episodes. The show was chosen by Fox to fill the coveted timeslot that followed the network’s coverage of Super Bowl XLV in 2011, and the network originally planned to move the show to the 9:00 pm time slot on Wednesdays following the post–Super Bowl broadcast. However, Fox later revised its schedule, leaving Glee on Tuesdays in order to concentrate on building up its weaker Wednesday and Thursday line-ups.A third season was ordered by Fox on May 23, 2010, before the end of the first season. The early renewal of the show allowed the production team to cut costs and to plan ahead when writing scripts.The third season broadcasts are scheduled to remain in the show’s Tuesday 8:00 pm time slot, and began airing on September 20, 2011.

Glee has been syndicated for broadcast in many countries worldwide, including Australia, where cast members visited to promote the show prior to its September 2009 debut on Network Ten.It also airs in Canada, New Zealand, and Fiji.It is broadcast in South Africa, where Fox beams the episodes directly to the M-Net broadcast center in Johannesburg rather than delivering the tapes. In addition, it airs in the United Kingdom,where E4 broadcast the first two seasons, showing episodes months after they were first aired in the US. Sky1 will broadcast the series from starting with the third season, airing episodes two days after their US broadcast. The series also airs in Italy—a week later than the US broadcast, and dubbed into Italian—and in Lithuania. In Ireland, most episodes premiere 20 hours after their US broadcast, making it the European Premiere. Asian countries that broadcast Glee include the Philippines, India,Malaysia, Singapore Indonesia and Japan. The show began airing in Brazil on July 2, 2011, on the Rede Globo network.

Season 1: 2009–2010

Main article: Glee (season 1)

No. in

series

No. in

season

Title

Directed by

Written by

Original air date

US viewers

(in millions)

1

1

Pilot

Ryan Murphy

Ryan Murphy & Brad Falchuk & Ian Brennan

May 19, 2009

9.62

2

2

Showmance

Ryan Murphy

Ryan Murphy & Brad Falchuk & Ian Brennan

September 9, 2009

7.30

3

3

Acafellas

John Scott

Ryan Murphy

September 16, 2009

6.64

4

4

Preggers

Brad Falchuk

Brad Falchuk

September 23, 2009

6.63

5

5

The Rhodes Not Taken

John Scott

Ian Brennan

September 30, 2009

7.40

6

6

Vitamin D

Elodie Keene

Ryan Murphy

October 7, 2009

7.28

7

7

Throwdown

Ryan Murphy

Brad Falchuk

October 14, 2009

7.65

8

8

Mash-Up

Elodie Keene

Ian Brennan

October 21, 2009

7.15

9

9

Wheels

Paris Barclay

Ryan Murphy

November 11, 2009

7.53

10

10

Ballad

Brad Falchuk

Brad Falchuk

November 18, 2009

7.36

11

11

Hairography

Bill D’Elia

Ian Brennan

November 25, 2009

6.10

12

12

Mattress

Elodie Keene

Ryan Murphy

December 2, 2009

8.14

13

13

Sectionals

Brad Falchuk

Brad Falchuk

December 9, 2009

8.13

14

14

Hell-O

Brad Falchuk

Ian Brennan

April 13, 2010

13.66

15

15

The Power of Madonna

Ryan Murphy

Ryan Murphy

April 20, 2010

12.98

16

16

Home

Paris Barclay

Brad Falchuk

April 27, 2010

12.18

17

17

Bad Reputation

Elodie Keene

Ian Brennan

May 4, 2010

11.62

18

18

Laryngitis

Alfonso Gomez-Rejon

Ryan Murphy

May 11, 2010

11.57

19

19

Dream On

Joss Whedon

Brad Falchuk

May 18, 2010

11.59

20

20

Theatricality

Ryan Murphy

Ryan Murphy

May 25, 2010

11.49

21

21

Funk

Elodie Keene

Ian Brennan

June 1, 2010

8.99

22

22

Journey to Regionals

Brad Falchuk

Brad Falchuk

June 8, 2010

10.92

Season 2: 2010–2011

Main article: Glee (season 2)

No. in

series

No. in

season

Title

Directed by

Written by

Original air date

US viewers

(in millions)

23

1

Audition

Brad Falchuk

Ian Brennan

September 21, 2010

12.45

24

2

Britney/Brittany

Ryan Murphy

Ryan Murphy

September 28, 2010

13.51

25

3

Grilled Cheesus

Alfonso Gomez-Rejon

Brad Falchuk

October 5, 2010

11.20

26

4

Duets

Eric Stoltz

Ian Brennan

October 12, 2010

11.36

27

5

The Rocky Horror Glee Show

Adam Shankman

Story by: Ryan Murphy & Tim Wollaston

Teleplay by: Ryan Murphy

October 26, 2010

11.76

28

6

Never Been Kissed

Bradley Buecker

Brad Falchuk

November 9, 2010

10.99

29

7

The Substitute

Ryan Murphy

Ian Brennan

November 16, 2010

11.70

30

8

Furt

Carol Banker

Ryan Murphy

November 23, 2010

10.41

31

9

Special Education

Paris Barclay

Brad Falchuk

November 30, 2010

11.68

32

10

A Very Glee Christmas

Alfonso Gomez-Rejon

Ian Brennan

December 7, 2010

11.07

33

11

The Sue Sylvester Shuffle

Brad Falchuk

Ian Brennan

February 6, 2011

26.80

34

12

Silly Love Songs

Tate Donovan

Ryan Murphy

February 8, 2011

11.58

35

13

Comeback

Bradley Buecker

Ryan Murphy

February 15, 2011

10.53

36

14

Blame It on the Alcohol

Eric Stoltz

Ian Brennan

February 22, 2011

10.58

37

15

Sexy

Ryan Murphy

Brad Falchuk

March 8, 2011

11.92

38

16

Original Song

Bradley Buecker

Ryan Murphy

March 15, 2011

11.15

39

17

A Night of Neglect

Carol Banker

Ian Brennan

April 19, 2011

9.80

40

18

Born This Way

Alfonso Gomez-Rejon

Brad Falchuk

April 26, 2011

8.62

41

19

Rumours

Tim Hunter

Ryan Murphy

May 3, 2011

8.85

42

20

Prom Queen

Eric Stoltz

Ian Brennan

May 10, 2011

9.29

43

21

Funeral

Bradley Buecker

Ryan Murphy

May 17, 2011

8.97

44

22

New York

Brad Falchuk

Brad Falchuk

May 24, 2011

11.80

Season 3: 2011–2012

Main article: Glee (season 3)

No. in

series

No. in

season

Title

Directed by

Written by

Original air date

US viewers

(in millions)

45

1

The Purple Piano Project

Eric Stoltz

Brad Falchuk

September 20, 2011

9.21

46

2

I Am Unicorn

Brad Falchuk

Ryan Murphy

September 27, 2011

8.60

47

3

Asian F

Alfonso Gomez-Rejon

Ian Brennan

October 4, 2011

8.42

48

4

Pot o’ Gold

Adam Shankman

Ali Adler

November 1, 2011

7.47

49

5

The First Time

Bradley Buecker

Roberto Aguirre-Sacasa

November 8, 2011

6.91

50

6

Mash Off

Eric Stoltz

Michael Hitchcock

November 15, 2011

7.08

51

7

I Kissed a Girl

Tate Donovan

Matthew Hodgson

November 29, 2011

7.90

52

8

Hold On to Sixteen

Bradley Buecker

Ross Maxwell

December 6, 2011

7.11

53

9

Extraordinary Merry Christmas

Matthew Morrison

Marti Noxon

December 13, 2011

7.13

54

10

Yes/No

Eric Stolt

TBA

January 17, 2012

55

11

Michael

TBA

TBA

January 31, 2012

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