Science Ninja Team Gatchaman Gatchaman II Episode 17 The Devil's Equation 1979
An experimental city named Seatoland that swims in the ocean, has been built by the ISO. It is attacked by a Galactor monster called Umiba, and faces total destruction. When this message is received, the Science Ninja Team is mobilized, but Dr. Siski, in charge of Seatoland, refuses to collaborate with them. Milly, the doctor's daughter, has been taken hostage by Galactor during the attack. The doctor himself has been intimidated and forced to collaborate with Galactor. The doctor finally tells Gel Sadra the equation which increases energy and allows the extremely powerful magnetic fields to be used. The doctor is then ordered to lure the Science Ninja Team into their deep sea base. Jun has overheard this by coincidence and knows now that her friend from childhood, Milly, is still alive and has become a Galactor hostage. Jun keeps these dangerous news away from Ken and the others. She sneaks into the deep sea base in the Marihole, together with the doctor.
- Released: 1979-10-21
- Runtime: 30 minutes
- Genre: Animation, Action & Adventure, Sci-Fi & Fantasy
- Stars: Katsuji Mori, Isao Sasaki, Kazuko Sugiyama, Yoku Shioya, Shingo Kanemoto
- Director: Jinzo Toriumi, Hirohisa Soda
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1. Governor X Counterattack 1979-10-07
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2. Mysterious Feather Shuriken 1979-10-14
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3. Black Knights from Hell 1979-10-21
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4. The Return of Joe?! 1978-10-22
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5. The Big Attack of the Mysterious Cavemen 1978-10-29
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6. The Shocking Pyramid Power 1978-11-05
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7. The Terrible Mutant Operation 1978-11-12
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8. The Firebird of the Moon 1978-11-19
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9. The Downfall of Berg Katse 1978-11-26
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10. Snowstorm at the Equator 1978-12-03
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11. Struggle! Hypernium 600 1978-12-10
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12. The Secret of Dr. Raphael 1978-12-17
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13. G-2`s Youth 1978-12-24
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14. Red Impulse of Space 1978-12-31
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15. The Pure Heart of G-5 1979-01-07
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16. Blackout Joe 1979-01-14
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17. The Devil's Equation 1979-10-21
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18. The Spaceship that Doesn't Respond 1978-01-28
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19. Trap in Another Dimension 1979-02-04
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20. G-Town's Critical Moment 1979-02-11
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21. Youth's Broken Wings 1979-02-18
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22. Mysterious Stonehenge 1979-02-25
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23. Love Vanquished at the North Pole 1979-03-04
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24. Suspicious G-2 1979-03-11
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25. The Cyborg's Sorrow 1979-03-18
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26. Mysterious Private Secretery Pandora 1979-03-25
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27. Dr. Nambu's Death! 1979-04-01
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28. Love Stolen by a Feather Shuriken 1979-04-08
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29. Life or Death! Evil Demon North Wall 1979-04-15
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30. Ryu's Homecoming 1979-04-22
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31. The Eagle is Shot Down 1979-04-29
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32. G-1's Andes Love 1979-05-06
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33. G-1's Anger 1979-05-13
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34. The Evil Iron Beast of the Amazon 1979-05-20
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35. Berg Katse's Legacy 1979-05-27
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36. Sorrow of the Underground City 1979-06-03
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37. Burn! Wings of Steel 1979-06-10
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38. Electromagnetic Mecha Iron Demon Dragon 1979-06-17
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39. Crimson Condor 1979-06-24
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40. Fierce Battle! Evil Animal Operation 1979-07-01
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41. Gatchaman vs. GelSadora 1979-07-08
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42. The Observatory that Moves in the Dark 1979-07-15
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43. Invaders From Mars 1979-07-22
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44. Fight! The Evil Base on Mars 1979-07-29
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45. Evil of the Solar Shift Plan 1979-08-05
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46. Gatchaman Unmasked 1979-08-12
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47. Certain Death! Two Firebirds 1979-08-26
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48. History's Largest Tidal Wave 1979-09-02
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49. Burn! Condor 1979-09-09
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50. Mystery? Mystery! GelSadora's Mother 1978-09-16
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51. The Sorrow of GelSadora 1978-09-23
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52. The Downfall of Governor X 1979-09-30
