Code of Vengeance to The Quatermass Experiment

The character of David Dalton first appeared on Knight Rider, then spun-off onto Code of Vengeance.

Team Knight Rider was a spin-off of Knight Rider.

1. Dr. Jackson Roykirk invented both the earthquake machine that had to be defeated by Team Knight Rider and the Nomad robot that had to be defeated by the Star Trek crew.

A Klingon Bird of Prey was seen in a spaceship graveyard on Red Dwarf

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"