During the Top 12 performance of "With a Little Help From My Friends" Gina trips on the stairs. It is a bit noticeable, but what makes it really obvious is a few seconds later they show her on stage and she is laughing about it.
Before Bette Midler performed Ryan and Brad Garret were in judges seats with no sign of Simon or Paula. Part way through her song though it showed both Simon and Paula at the judges table.
After Carrie Underwood performed "I'll Stand by You", Clive Davis gave a speech extolling the state of "the American Idol album franchise", then presented Underwood with a special award for achieving 6 million U.S. album sales for her album Some Hearts.
The gentleman that helps Margaret Fowler out of her chair is Nigel Lythgoe, one of the executive producers of American Idol.
Daughtry performed their song (and the song used during the eliminated contestants montage) "Home" with clips of the season.
Blake won the coin toss, and after asking Jordin what she preferred, opted to go first. He is the first person to win the coin toss who went first.
Ryan said the B word in this episode, and although swearing is usually not allowed on the show, he used it in context, referring to Paula's dog.
The episode starts off with Homer Simpson taking over Ryan's role and trying to introduce the show. This is the second time this season that the Simpsons have appeared on AI.
In Blake's "Going Home" video, you can see former Idol auditioner Jonathan Jayne in the crowd. He was one of the more popular auditioners in Season 6, known as the best friend of Kenneth (the one Simon said looked like a monkey).
The final American Idol Challenge was: "Which of these Season 5 finalists was not in the Top 2?" The options were Elliott, Katharine and Taylor.
There was almost 60 million votes.
After Elliott performed, he was "critiqued" by the judges.
In one of Blake's videos you see that he performed with Sir Mix-a-Lot, on his trip back home.
There was no video clip before any of the second songs.
When the Mayor was reading out the note to Melinda he accidentally said Randy's last name as Johnson.
After Randy's critique of Blake's second song, the camera switched to some odd angle, then quickly back.
After Blake's first performance the mic fell out of the stand and hit the ground under the stage.
Ryan introduces an up coming show produced by the same people who do AI, called The Band Show.
LaKisha sang her randition of "Stayin' Alive" after being eliminated.
There was just over 45 million votes.