Dr. Sam Owens's (played by Paul Reiser) first appearance was in season two,
episode one. He is a doctor at Hawkins Lab and is on the good side.
Other relations
Will Byers (patient) Jack Sullivan(enemy)
Jim Hopper(friend) Joyce Byers(friend) Eleven(ally)
Dr. Martin Brenner(colleague) Bob Newby(friend)
In the second season, Owens is checking and asking Will
about his episodes he has been having. Later in the season, he gets attacked
by a Demodog in the lab. At the end of the season, he
helps Hopper adopt Eleven.
In the third season, Owens is seen at the end of the last episode after the
gate was closed at the mall.
Dr. Owens returns in the fourth season and is here to help Eleven
get her powers back so she can save Hawkins from Vecna.