Ep. 102: A Reversal! Checkmate X!
Aired on September 8, 1974

102
Ken acts alone to rescue Nambu from a mecha trap, unaware Joe is being watched by the Female Commander. Galactor abducts Nambu, who taunts Katse about his hidden identity. Joe arrives to save Nambu but is shot by the Megazainer, losing his transformation and consciousness. The Science Ninja Team arrives via Joe’s message, defeating the guards. Joe wakes to shoot the Megazainer’s airgun wire, causing an explosion that reveals Katse’s face. Nambu shares a secret about Katse’s twin origins. X appears, and Ken hesitates before throwing his boomerang at the fleeing enemy. The team is awed by X’s power.
Episodes
- Ep. 98 · Joe encounters a mysterious woman and faces a new mecha threat while hiding his condition.
- Ep. 99 · The Science Ninja Team infiltrates a base while Joe struggles with impaired vision and self-doubt.
- Ep. 100 · Science Ninja pursues Katse to a base where X orders his termination
- Ep. 101 · Ken and Jun investigate suspicious helicopter activity while Joe recovers his confidence.
- Ep. 102 · A Reversal! Checkmate X!
- Ep. 103 · Joe faces terminal illness and Galactor while racing to find their base.
- Ep. 104 · The Evil Grand Black Hole Operation
- Ep. 105 · Earth's Destruction! 0002