The One Where Monica Gets a Roommate - S1-E1
Other mistake: Ross is a paleontologist but is seen working with the display on early humans which would be more of a job for an anthropologist.
Dan23
26th Mar 2018
Friends (1994)
21st Jan 2018
Stargate SG-1 (1997)
Other mistake: Teal'c says "Mother ships do not possess cloaking capabilities" But Apophis in season 4 had cloaked Mother ships.