While dancing to the spice girls wanna be, Hayley's shoes change from heels to slip on flats to trainers.
Was made to be the final ever episode as they didn't know if it was going to get picked up for another season with the merger,But got picked up last minute.
The scene when Karen visits Dan in prison, his cell number is 128. This is the same cell that "psycho Derek" was housed in when Peyton visits him.