When Mel is going over her Dating/Marriage/Life Plan, the 3 children's names she gives are the names of Melissa Joan Hart's actual children.
Lennox says she got an internship at The City Desk which the the name of the newspaper that Sabrina interned at on Sabrina the Teenage Witch. She also mentions that she gets to listen to police scanners, which Sabrina, Josh and Mike listen to police scanners on Joshs first day of work.