SELECT "Directed by" FROM table_29194 WHERE "Original airdate" = 'October 8, 2010'
The episode with the original airdate October 8, 2010, is directed by who?
CREATE TABLE table_29194 (
    "No. in series" real,
    "Title" text,
    "Directed by" text,
    "Written by" text,
    "Original airdate" text,
    "Production code" text
)