| Season Episode: 1x01 |
| Episode: 1 |
| Production Number: 1ARC79 |
| Original Air Date: 2009-05-19 |
| Title: Pilot |
| |
| Season Episode: 1x02 |
| Episode: 2 |
| Production Number: 1ARC01 |
| Original Air Date: 2009-09-09 |
| Title: Showmance |
| |
| Season Episode: 1x03 |
| Episode: 3 |
| Production Number: 1ARC02 |
| Original Air Date: 2009-09-16 |
| Title: Acafellas |
| |
| Season Episode: 1x04 |
| Episode: 4 |
| Production Number: 1ARC03 |
| Original Air Date: 2009-09-23 |
| Title: Preggers |
| |
| Season Episode: 1x05 |
| Episode: 5 |
| Production Number: 1ARC04 |
| Original Air Date: 2009-09-30 |
| Title: The Rhodes Not Taken |
| |
| Season Episode: 1x06 |
| Episode: 6 |
| Production Number: 1ARC05 |
| Original Air Date: 2009-10-07 |
| Title: Vitamin D |
| |
| Season Episode: 1x07 |
| Episode: 7 |
| Production Number: 1ARC06 |
| Original Air Date: 2009-10-14 |
| Title: Throwdown |
| |
| Season Episode: 1x08 |
| Episode: 8 |
| Production Number: 1ARC07 |
| Original Air Date: 2009-10-21 |
| Title: Mash-Up |
| |
| Season Episode: 1x09 |
| Episode: 9 |
| Production Number: 1ARC08 |
| Original Air Date: 2009-11-11 |
| Title: Wheels |
| |
| Season Episode: 1x10 |
| Episode: 10 |
| Production Number: 1ARC09 |
| Original Air Date: 2009-11-18 |
| Title: Ballad |
| |
| Season Episode: 1x11 |
| Episode: 11 |
| Production Number: 1ARC10 |
| Original Air Date: 2009-11-25 |
| Title: Hairography |
| |
| Season Episode: 1x12 |
| Episode: 12 |
| Production Number: 1ARC11 |
| Original Air Date: 2009-12-02 |
| Title: Mattress |
| |
| Season Episode: 1x13 |
| Episode: 13 |
| Production Number: 1ARC12 |
| Original Air Date: 2009-12-09 |
| Title: Sectionals |
| |
| Season Episode: 1x14 |
| Episode: 14 |
| Production Number: 1ARC13 |
| Original Air Date: 2010-04-13 |
| Title: Hell-O |
| |
| Season Episode: 1x15 |
| Episode: 15 |
| Production Number: 1ARC14 |
| Original Air Date: 2010-04-20 |
| Title: The Power of Madonna |
| |
| Season Episode: 1x16 |
| Episode: 16 |
| Production Number: 1ARC15 |
| Original Air Date: 2010-04-27 |
| Title: Home |
| |
| Season Episode: 1x17 |
| Episode: 17 |
| Production Number: 1ARC16 |
| Original Air Date: 2010-05-04 |
| Title: Bad Reputation |
| |
| Season Episode: 1x18 |
| Episode: 18 |
| Production Number: 1ARC17 |
| Original Air Date: 2010-05-11 |
| Title: Laryngitis |
| |
| Season Episode: 1x19 |
| Episode: 19 |
| Production Number: 1ARC18 |
| Original Air Date: 2010-05-18 |
| Title: Dream On |
| |
| Season Episode: 1x20 |
| Episode: 20 |
| Production Number: 1ARC19 |
| Original Air Date: 2010-05-25 |
| Title: Theatricality |
| |
| Season Episode: 1x21 |
| Episode: 21 |
| Production Number: 1ARC20 |
| Original Air Date: 2010-06-01 |
| Title: Funk |
| |
| Season Episode: 1x22 |
| Episode: 22 |
| Production Number: 1ARC21 |
| Original Air Date: 2010-06-08 |
| Title: Journey to Regionals |
| |
