The Relation Ship

The Relation Ship is a large sea vessel. The captain of the ship is Captain Bowditch.

History
Marge sent Homer and Bart onto the ship to improve their relationship. During Bart's time on the ship, he became the midshipman. While, during Homer's time on the ship, he got scurvy and was forced to eat lemons.

Behind the Laughter

 * The name of the ship is a play on the word "relationship".