The team continue to work with their nemesis to prevent an extinction level event. Cabe makes a last minute decision that may endanger his career. ...

Team Scorpion must work with their old nemesis Mark Collins in order to prevent the extinction of mankind. ...

Team Scorpion must find a boy from Ralph's class who goes missing on a field trip after he accidentally has a run-in with a deadly criminal; Toby gets closer to finding o ...

The team races against time to stop an unstable ex-member of Scorpion, Mark Collins who kidnaps and threatens to kill Toby if his demands are not met. ...

Engineer Oksana Nastrova gets the team to help determine the exact spot to place the mobile sarcophagus over the Chernobyl reactor before the poor quality Sovuet concrete ...

Cabe Gallo calls on Walter for advice about genius loner Mark Collins, who refuses to talk to anyone else when caught intruding a nuclear plant under decommission guarded ...

A body turns up 700 feet under Manhattan in a water tunnel. Meanwhile, another case involving the death of a sixteen-year-old girl is being investigated. ...