Watch full Slam Dunk Episode 47 English Subbed online for free in HD. Full HD Slam Dunk Episode 47 English sub streaming online. Challenge From a Rival. Shohoku has defeated Shoyo, and Sakuragi is quick to spread the word, especially after his ferocious slam dunk on Hanagata. It seems like Oda, a person that went to the same junior high as him, is going to be facing Kainan. They’re also hoping to pull off an upset victory like Shohoku has.