Watch full Slam Dunk Episode 21 English Subbed online for free in HD. Full HD Slam Dunk Episode 21 English sub streaming online. Enormous Trouble Makers! Hanamichi vs Miyagi. Ryota Miyagi returns to basketball after being injured in a fight. Ayako hears rumors that Miyagi was back in school, so she decides to investigate. She brings along Sakuragi, but Miyagi, who has a crush on Ayako, thinks that she and Sakuragi are together and immediately becomes jealous. Will Miyagi and Sakuragi be able to coexist?