CREATE TABLE table_203_173 (id DECIMAL, "year ( s ) " TEXT, "serial name" TEXT, "role" TEXT, "co-star" TEXT, "note ( s ) " TEXT, "channel" TEXT)

what was the only show that ran on the channel star one ?
SELECT "serial name" FROM table_203_173 WHERE "channel" = 'star one'
SELECT "serial name" FROM "table_203_173" WHERE "channel" = 'star one'