Blocker Gundan 4 Machine Blaster is an anime series aired from 1976 to 1977 in Japan. There are 38 episodes aired at 25 minutes each. It is also known as "Blocker Army IV Machine Blaster", "Blocker Corps IV", "Blocker Army IV", "Blocker Corps", "Machine Blaster" and in Italian version as "Astrorobot Contatto Ypsilon".
| Title | Air Date | Duration | ||
|---|---|---|---|---|
| Season 1 | Episode 1 | Episode 1 | 1976-07-05 | 25 min |
| Season 1 | Episode 2 | Episode 2 | 1976-07-12 | 25 min |
| Season 1 | Episode 3 | Episode 3 | 1976-07-19 | 25 min |
| Season 1 | Episode 4 | Episode 4 | 1976-07-26 | 25 min |
| Season 1 | Episode 5 | Episode 5 | 1976-08-02 | 25 min |
| Season 1 | Episode 6 | Episode 6 | 1976-08-09 | 25 min |
| Season 1 | Episode 7 | Episode 7 | 1976-08-16 | 25 min |
| Season 1 | Episode 8 | Episode 8 | 1976-08-23 | 25 min |
| Season 1 | Episode 9 | Episode 9 | 1976-08-30 | 25 min |
| Season 1 | Episode 10 | Episode 10 | 1976-09-06 | 25 min |
| Season 1 | Episode 11 | Episode 11 | 1976-09-13 | 25 min |
| Season 1 | Episode 12 | Episode 12 | 1976-09-20 | 25 min |
| Season 1 | Episode 13 | Episode 13 | 1976-09-27 | 25 min |
| Season 1 | Episode 14 | Episode 14 | 1976-10-04 | 25 min |
| Season 1 | Episode 15 | Episode 15 | 1976-10-11 | 25 min |
| Season 1 | Episode 16 | Episode 16 | 1976-10-18 | 25 min |
| Season 1 | Episode 17 | Episode 17 | 1976-10-25 | 25 min |
| Season 1 | Episode 18 | Episode 18 | 1976-11-01 | 25 min |
| Season 1 | Episode 19 | Episode 19 | 1976-11-08 | 25 min |
| Season 1 | Episode 20 | Episode 20 | 1976-11-15 | 25 min |
| Season 1 | Episode 21 | Episode 21 | 1976-11-22 | 25 min |
| Season 1 | Episode 22 | Episode 22 | 1976-11-29 | 25 min |
| Season 1 | Episode 23 | Episode 23 | 1976-12-06 | 25 min |
| Season 1 | Episode 24 | Episode 24 | 1976-12-13 | 25 min |
| Season 1 | Episode 25 | Episode 25 | 1976-12-20 | 25 min |
| Season 1 | Episode 26 | Episode 26 | 1976-12-27 | 25 min |
| Season 1 | Episode 27 | Episode 27 | 1977-01-10 | 25 min |
| Season 1 | Episode 28 | Episode 28 | 1977-01-17 | 25 min |
| Season 1 | Episode 29 | Episode 29 | 1977-01-24 | 25 min |
| Season 1 | Episode 30 | Episode 30 | 1977-01-31 | 25 min |
| Season 1 | Episode 31 | Episode 31 | 1977-02-07 | 25 min |
| Season 1 | Episode 32 | Episode 32 | 1977-02-14 | 25 min |
| Season 1 | Episode 33 | Episode 33 | 1977-02-21 | 25 min |
| Season 1 | Episode 34 | Episode 34 | 1977-02-28 | 25 min |
| Season 1 | Episode 35 | Episode 35 | 1977-03-07 | 25 min |
| Season 1 | Episode 36 | Episode 36 | 1977-03-14 | 25 min |
| Season 1 | Episode 37 | Episode 37 | 1977-03-21 | 25 min |
| Season 1 | Episode 38 | Episode 38 | 1977-03-28 | 25 min |
| Writing | Yuji Nunokawa | Original Story |
| Directing | Masami Anno | Director |
| Camera | Keishichi Kuroki | Director of Photography |
| Art | Torao Arai | Art Direction |
| Visual Effects | Motosuke Takahashi | Character Designer |
| Sound | Hiroshi Tsutsui | Music |
| Writing | Rou HATTA | Original Story |
| Sound | Yuuki Hide | Theme Song Performance |
