Marshall Eriksen is a fictional character portrayed by Jason Segel in the TV series Family Guy.
In the first episode they appeared in, titled Peter's Progress (season 7), they were 29 years old.
They appear in 1 episodes out of a total of 424 aired so far
Episodes1
Peter's Progress
episode S7.E16 may 2009The story of Griffin Peterson and the founding of Quahog.