K9 and Company to Kids of Degrassi St

K9 and Company was a pilot for a spin-off aired as a one-off episode broadcast as a Christmas Special in 1981 - featuring The Doctor's old companions K9 - the robot dog - and Sarah Jane Smith.

The TARDIS from Doctor Who appears in the hangar bay of the Red Dwarf - it can be seen during the launch of Starbug in the episode "Thanks for the Memory"

In the Red Dwarf episode "Psirens", the crew of the Red Dwarf come across a space ship graveyard which includes a Weyland-Utani ship, connecting it with Angel.

John Larroquette Show referenced Yoyodyne. Yoyodyne was also a client of Angel's Wolfram & Hart.

John Larroquette Show's John Hemingway called into Fraiser's show

Cheers spun-off Frasier

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

St Elsewhere's Dr Wesphall is paged twice on Degrassi Junior High. In the episode "Nothing to Fear" LD's father is in the hospital and Dr. Westphall is paged on the hospital intercom. Later, in the episode "Sealed with a Kiss", "Dr Donald Westphall" is paged, loud and clear, over the hospital intercom when Heather & Erica go in for a mono test.

Degrassi High was continued as Degrassi: The Next Generation

Degrassi: The Next Generation features some of the same characters from Kids of Degrassi St. as adults