| 1. | Because GUNVARREL is Waiting | 12 Oct, 2012 | 4 | MyAnime List | Episode 1 |
|---|---|---|---|---|---|
| 2. | Because of Dreams, Hopes, and Passion | 19 Oct, 2012 | 4.13 | MyAnime List | Episode 2 |
| 3. | Tanegashi Accel Impaaaact! | 26 Oct, 2012 | 4.63 | MyAnime List | Episode 3 |
| 4. | Let's Build a Giant Robot of Justice Together | 02 Nov, 2012 | 4.35 | MyAnime List | Episode 4 |
| 5. | Is It Okay If I Call You 'Big Brother'? | 09 Nov, 2012 | 4.62 | MyAnime List | Episode 5 |
| 6. | It'd Be Sad to Have a Dream End | 16 Nov, 2012 | 4.54 | MyAnime List | Episode 6 |
| 7. | Thank You Berry Much | 23 Nov, 2012 | 4.68 | MyAnime List | Episode 7 |
| 8. | I'm Nae Tennoji! Nice to Meet You! | 30 Nov, 2012 | 4.52 | MyAnime List | Episode 8 |
| 9. | Because It's the Product of Our Blood, Sweat, and Tears | 07 Dec, 2012 | 4.34 | MyAnime List | Episode 9 |
| 10. | A Robot that Only We Can Build | 14 Dec, 2012 | 4.34 | MyAnime List | Episode 10 |
| 11. | The Flag Has Been Cleared | 21 Dec, 2012 | 4.71 | MyAnime List | Episode 11 |
| 12. | Until You Like SOMETHING About Them | 11 Jan, 2013 | 4.12 | MyAnime List | Episode 12 |
| 13. | What a Screwed-Up World | 18 Jan, 2013 | 4.68 | MyAnime List | Episode 13 |
| 14. | Let's Stay Like This for a Bit... | 25 Jan, 2013 | 4.78 | MyAnime List | Episode 14 |
| 15. | I'll Let You Dream | 01 Feb, 2013 | 4.41 | MyAnime List | Episode 15 |
| 16. | I Love Giant Robots | 08 Feb, 2013 | 4.59 | MyAnime List | Episode 16 |
| 17. | The Robot Research Club is Hereby Disbanded! | 15 Feb, 2013 | 4.6 | MyAnime List | Episode 17 |
| 18. | The Real GUNVARREL is Standing Right There | 22 Feb, 2013 | 4.49 | MyAnime List | Episode 18 |
| 19. | I Never Should've Had a Dream | 01 Mar, 2013 | 4.65 | MyAnime List | Episode 19 |
| 20. | Does She Still Like Robots? | 08 Mar, 2013 | 3.92 | MyAnime List | Episode 20 |
| 21. | GUNVARREL, Forward! | 15 Mar, 2013 | 4.5 | MyAnime List | Episode 21 |
| 22. | Now It's Time for OUR Game | 22 Mar, 2013 | 3.71 | MyAnime List | Episode 22 |