Family Guy

Joe Swanson, himself, admitted that Kevin had died in Iraq in a previous season, But he is alive and well now.

The first episode with the cast being British and how their faces are made is the same design for the British family that was suppose to be in The Cleveland Show, but were written out because how the father and the son had impolite faces.

Bayit

'Bayit' is the Hebrew word for 'house'. As such, the title could be a reference to the Talking Heads song "Burning Down the House".

Stewie tells Brian that changing the past can alternate the future, but back in "The Road to Germany" Stewie tells Brian that they can do what they like in the past.

Future Brian tells the 1999 version of himself to write the Harry Potter novels. However, the first novel in the series was already published in 1997 and would have already existed in 1999. Therefore, Brian could not have written them.