Chains (Northwood episode with Pat Mastroianni)

"Chains" is the third episode of the fourth season of Northwood, another Canadian teen drama television series from the 1990s, that featured a guest appearance from Pat Mastroianni as Terry Cooper, a new student who is HIV-positive. The airdate is unknown but it's likely it aired some time in 1993. You can watch the episode here.

Northwood
Northwood was a teen drama that ran on the CBC from 1991 to 1994, that focused on a group of high schoolers in North Vancouver. It replaced Degrassi High in its Monday 8:30pm timeslot. The series was developed by Nick Orchard who was influenced by British series such as EastEnders, and was touted by people involved with the show as being "grittier" and "meatier" than Degrassi. While it did gain quite a lot of fans, it did not capture the success of Degrassi and remains relatively obscure. The full series is freely available to watch on the Encore+ YouTube channel, though very little information exists about it online, and an episode guide does not exist for the first season. It is also notable for starring Lochlyn Munro, who may be familiar to younger viewers for his role as the Black Hood on CW's Riverdale.

"Chains"
In the episode, Pat Mastroianni plays Terry Cooper, a new student who is HIV-positive, only disclosing it to his support group. However, another character mistakenly makes the news public.