" Tape 5, Side A " (S1E9) of 13 Reasons Why is a pivotal, disturbing episode focusing on Hannah Baker witnessing a sexual assault at a party. The episode explores themes of survivor guilt and the toxic atmosphere at the school, as characters navigate the traumatic events.You can explore detailed plot breakdowns on the 13 Reasons Why Wiki and in this Wherever I Look review . "13 Reasons Why" Tape 5, Side A (TV Episode 2017) - IMDb