CREATE TABLE "TV_Channel" (
"id" text,
"series_name" text,
"Country" text,
"Language" text,
"Content" text,
"Pixel_aspect_ratio_PAR" text,
"Hight_definition_TV" text,
"Pay_per_view_PPV" text,
"Package_Option" text,
PRIMARY KEY ("id")
)

CREATE TABLE "TV_series" (
"id" real,
"Episode" text,
"Air_Date" text,
"Rating" text,
"Share" real,
"18_49_Rating_Share" text,
"Viewers_m" text,
"Weekly_Rank" real,
"Channel" text,
PRIMARY KEY ("id"),
FOREIGN KEY (`Channel`) REFERENCES `TV_Channel`(`id`)
)

CREATE TABLE "Cartoon" (
"id" real,
"Title" text,
"Directed_by" text,
"Written_by" text,
"Original_air_date" text,
"Production_code" real,
"Channel" text,
PRIMARY KEY ("id"),
FOREIGN KEY (`Channel`) REFERENCES `TV_Channel`(`id`)
)
SELECT Episode ,  Rating FROM TV_series ORDER BY Rating DESC LIMIT 3;
What are 3 most highly rated episodes in the TV series table and what were those ratings?