Question: Khamani Griffin, is an American actor, who is best known for playing Tolee the Koala in "Ni Hao, Kai-Lan", an American animated (anime-influenced) interactive children's television series which premiered on Nickelodeon, on which date?
Sentence (from "Khamani Griffin"): " until its series finale on September 18, 2009.
Relevant evidence: No