Ode to Apologize is a parody of "Ode to Joy", from Beethoven's ninth symphony.
The "Love, Indubitably" movie shows the British House of Commons in session, however, the Speaker's chair is empty. The Speaker presides over the House when it is in session, so it would not make sense for them not to be there.
It was mentioned in this episode that Kearney is dyslexic.
It was briefly seen that the car has a cartoon physics indicator.