SCP-049 "PLAGUE DOCTOR" S1E3

Plot
After falling from 087 they wake up in, according to Cooper sector 9D. Uni notices the material around this part of the facility and concludes there could be another breach. While walking they run into Omalie. He then says that the nearest MTF base is in Washington so they'll have to wait for 7 hours. Then he realizes that SCP 049 breached containment. They then run into zombies created by 049 and then hide in a room. Then it shows 035 and 049 sitting down and likely planning something, the episode then ends with Cooper going to check up on them.

Relevance
This episode introduced Omalie who would be one of the main characters until his death in the season finale.