Then she heads to the Massive Dynamic and finds that the company does not exist in the alternate universe.
Seth Gabel was upgraded to the main cast with the start of Season 4.
He then departs from Olivia's consciousness.
Olivia is so dynamic throughout the series as a whole that those moments are worth an eye-roll, not an out-right condemnation.
Olivia's perspectives and inner feelings seemed to make her life harder for her but very often serve as the focal points for episodes of the series that directly focus on her development as a human being and a member of the law enforcement community.
Newton was one of the main villains in season two and three.