Bewitched to Hope And Gloria

Doctor Bombay Bewitched's doctor of witches and warlocks was called to the aide of a with in trouble on Passions.

Mary Connell from Las Vegas appeared on two episodes of the show Passions when the some of the Passions cast went to Vegas

Las Vegas' Danny McCoy and Sam Marquez took a plane to Boston. While in flight a guy on the plane died causing a crossover with Crossing Jordan.

An episode of Crossing Jordan featured a priest from St. Eligius Church in Boston. St. Elsewhere was set at St Eligius Hospital in Boston

St Elsewhere's Westphall, Craig and Auschlander visited Cheers' bar

Cheers spun-off Frasier

Fraiser's Niles and Daphne read Caroline in the City's comic strip.

Caroline in the City's Caroline wished The Single Guy's Jonathan good luck

Hope and Gloria's title characters visited Friends' Central Perk.