Night Gallery: Hatred Unto Death (1973)

Even though the story is about a wild gorilla, anthropologists Ruth (Dina Merrill) and Grant Wilson (Stephen Forrest) drive past a lion just so that everyone knows that they are supposed to be in the Kenyan veldt.

Night Gallery: The Little Black Bag (1970)

The sudden arrival of a medical bag from the future scares a couple of alley cats out of their bin.

Perhaps they think that someone is going to spay or neuter them with the contents.

Night Gallery: The Housekeeper (1970)

Cedric Acton (Larry Hagman) shows prospective housekeeper Miss Wattle (Jeanette Nolan) a cat which has had a dog's soul magically transferred into it. The cat barks accordingly.

Night Gallery: She'll Be Company for You (1972)

After briefly describing the painting, Rod Serling's poorly written introduction warns viewers that "cats are and always have been Satan's familiars".

Jennet

Newly widowed Henry Auden (Leonard Nimoy) would be happy living alone, but Barbara Morgan (Lorraine Gary) has other ideas. The best friend of his deceased wife is going on vacation and cheekily provides Henry with some company in the form of her ginger tabby cat to look after while she's away.

Jennet seems friendly although she clearly doesn't get enough attention.

Whether it's an hallucination brought on by guilt or some kind of black magic, a leopard appears in Jennet's place.

In what looks like a continuity error, Henry later chases a tiger out of his house. He's a brave man to do so since a kitchen knife is his only weapon.

In an "open to interpretation" ending, Henry either commits suicide or is killed by a supernatural big cat. It's not obvious where the blood on his hand is dripping from, but the deep scratches on the outside of Henry's bedroom door may be from claws or the blade of his knife. Whatever the case, Jennet licks some blood from the carpet then looks guilty in the final shot.

Night Gallery: Spectre in Tap-Shoes (1972)

Persephone

Millicent Hardy (Sandra Dee) gives her twin sister's cat a bowl of milk after discovering that the "poor baby" hasn't been fed for a while.

Later, Persephone overhears Millicent seeking support from her boyfriend Sam (Christopher Connelly). If only Persephone could talk, she'd be able to tell everyone what was really going on.

Given the low-budget, recycled nature of the "Night Gallery" series, it seems likely that Persephone also played Jennet in "She'll Be Company for You" from the same year.

Night Gallery: Clean Kills and Other Trophies (1971)

No live cats to be seen in this episode, just a couple of stuffed and mounted big cats whose spirits eventually get their revenge on the hunter thanks to Tom Mboya (Herbert Jefferson Jr.) below.

Night Gallery: Last Rites for a Dead Druid (1972)

Possessed by the spirit of his dead ancestor, Bruce Tarraday (Bill Bixby) attempts to barbecue his neighbour's cat as a sacrificial offering.

Fortunately, Bruce is interrupted and the cat escapes unharmed.

Night Gallery: The Return of the Sorcerer (1972)

Sorcerer John Carnby (Vincent Price) sits behind a badly stuffed black cat as he hires Noel (Bill Bixby) to translate a magical Arabic text.

The nod to films where Vincent Price stars alongside living black cats is obvious.

Night Gallery: Whisper (1973)

Irene Evans (Sally Field) asks her husband Charlie (Dean Stockwell) to bury a dead kitten for her in this very weird and eerie "Night Gallery" episode.