Tetsuwan Êsu no Nazo
- Episode aired Mar 24, 1979
- TV-PG
![Battle Fever J (1979)](https://m.media-amazon.com/images/M/MV5BOWQ0ZWVhNjQtZDQ5Ny00YzJlLWIwZjEtZDM2YTBjYWQwZmJhXkEyXkFqcGdeQXVyMjc4OTQ1OTA@._V1_QL75_UY281_CR5,0,190,281_.jpg)
While helping a young pitcher get through a slump, Masao investigates a fellow pitcher who has suddenly become a genius due to Egos' manipulations.While helping a young pitcher get through a slump, Masao investigates a fellow pitcher who has suddenly become a genius due to Egos' manipulations.While helping a young pitcher get through a slump, Masao investigates a fellow pitcher who has suddenly become a genius due to Egos' manipulations.