Chlorine gas is used in an attack on the town, leaving Tiffy to save herself and her students, Mack and Bob to secure the apartments and Charles stranded on the road, while Sam and Jonas desperately try to locate the source before all the oxygen is gone. Written by
Did You Know?
The title of the episode, "Hill 60", probably refers to the WWI Battle of Hill 60, where poison gas was used. Shortly after and close by, The Second Battle of Ypres was the first large scale use of poison gas by the Germans, specifically chlorine gas. See more
Jonas is jogging and finds the dead birds, and then the dead joggers. Realizing that there must be poison gas, he quickly takes his water bottle and douses his handkerchief to use as a mask, and then drops the water bottle. We see him running back the way he came, but there is no water bottle. See more
Walk the Fire
Written by Robert Duncan
This is used as the theme in seasons 3 and 4. See more