Oz Complete Rewatch - Season 3, Episode 3. "Legs." Sunday, Nov 13, 2016.

From IMDB: "In the boxing program, O'Reily spikes Robson's spritzer bottle before his bout with Cyril. Rebadow's mother tries to persuade him to meet his son and grandson. Meanwhile, Nappa finds out he's HIV-positive and is moved to Cell Block E."