Question: at most what number in the series was the episode "Chet Episode"?
SQL: SELECT MAX("Series no.") FROM "1-28081876-5" WHERE "Title" = '"Chet Episode"';

Question: the episode entitled "Ward 8" was what number in the series?
SQL: SELECT "Series no." FROM "1-28081876-5" WHERE "Title" = '"Ward 8"';

Question: who directed the episode entitled "Home Is Where the Hospital Is"?
SQL: SELECT "Directed by" FROM "1-28081876-5" WHERE "Title" = '"Home Is Where the Hospital Is"';