When Team Scorpion travels to Ireland for Megan’s one-year memorial, Walter discovers that a nearby lake’s natural disaster has created a poisonous cloud that could kill everyone in the village….

When a wild horse is found dragging a dead body, Walt discovers evidence of an illegal rodeo at a local farm. Detective Fales comes to town to talk to Henry.

CSI investigates the death of a little girl whose identity remains unknown.

A street artist who is plastering his work on a billboard falls into his glue—and onto a corpse—so the team try to get him unstuck from the remains as they…

Roger seeks to expand his affair with Megan’s mother. Pete has a “last” encounter with Beth with lasting repercussions. Megan struggles to find acting work and asks for Don’s help…

Peggy is given a difficult assignment. Roger’s work problems provide new opportunities for Don, and Pete grows more frustrated. Betty finds a new outlet for her growing dissatisfaction.

After Don wins an award, his photo is featured in Advertising Age. Don must deal with the fallout as the photo brings back a past he isnt ready to confront….

The presidential candidates journey to Iowa, where democrats Russell and Santos, and republican Vinick, are all told by their handlers that when they appear before before the corn growers association…