Conversation so far:
When did Will Forte start with Saturday Night Live?
After Will Ferrell left Saturday Night Live, Forte joined the cast, premiering at the beginning of the show's twenty-eighth season in the fall.
How did Will Forte get that opportunity to work on Saturday Night Live?
While performing with the Groundlings, he was spotted by Lorne Michaels, the creator of Saturday Night Live and he was invited to audition for SNL, which he regarded as unexpected.
What year was it when Will Forte joined Saturday Night Live?
The twenty-eighth season of Saturday Night Live aired between October 5, 2002, and May 17, 2003.
Who else was on Saturday Night Live during the time Will Forte was hired?
Hired to fill the absences of Will Ferrell and Ana Gasteyer were comedian/punk musician Fred Armisen and TV writer Will Forte.

Question: How long did he work with this show?
Self-contained rewrite: How long did Will Forte work on Saturday Night Live?