The British comedian will reprise his role as Professor Ian Duncan on the NBC comedy
Oliver will appear on at least six episodes, a Sony Television representative confirmed to TheWrap.
The British comedian has played the role on both Season 1 and Season 2. Ian Duncan is an old client-turned-frined of Jeff’s (Joel McHale) from his previous career as an attorney. At Greendale Community College, Ian teaches psychology.
Oliver’s acting credits include “Gravity Falls” and the films “The Love Guru” and both “Smurfs” movies.