The ice cream truck song in the end is the same one from "We All Scream for Ice Cream."
The beer that evil Chris is drinking on the Golden Gate Bridge is a Dos XXX Amber.
An exchange of words between Mrs. Noble and the Patrol officer suggested she bribed the police in her benefit and in prejudice of the Halliwell sisters.
In the alternative evil reality, Phoebe's publicity for her column says "Read me or else".