L.A. Law to That's So Raven
15 connections
L.A. Law
Cop Rock
Cop Rock's station house was also visited by Victor Sifuentes and Abby Perkins from L.A.Law
Hill Street Blues
Hill Street Blues' Howard Hunter appeared on Cop Rock.
N.Y.P.D. Blue
NYPD Blue's station house was visited by Hill Street Blues' Buck Naked
The Drew Carey Show
The Drew Carey Show's cast went to NYC where a traffic tie-up was being investigated by NYPD Blue's James Martinez.
The Hughleys
The Drew Carey Show's Mimi appeared in an episode of The Hughleys
The Parkers
The Hughleys crossed over with The Parkers.
Moesha
The Parkers was a spinoff of Moesha
Clueless
Hakeem and Niecy from Moesha went to the prom with Cher and Sean from Clueless.
Sabrina the Teenage Witch
Sabrina from Sabrina the Teenage Witch visited Cher from Clueless in the episode "Mr. Wright."
Boy Meets World
Sabrina the Teenage Witch also crossed over with Boy Meets World on several other occasions.
Girl Meets World
Boy Meets World was continued decades later in Girl Meets World
Austin & Ally
Austin and Ally appear on an episode of Girl Meets World. Bringing the Disney Channel Live Action Universe into the Westphall Universe
Jessie
Jessie and Austin & Ally crossed over
The Suite LIfe of Zack and Cody
Mr. Moseby from The Suite Life was on Jessie
That's So Raven
That's So Raven crossed over with The Suite Life of Zack and Cody