Don West's chicken Debbie is named after Penny's space chimp (alternately called "Bloop") in Lost in Space (1965).
You want to take my kids away from me?
Maureen Robinson: You already left, John.
John Robinson: Not forever.
Maureen Robinson: After everything that's happened, you have this one chance to do what's best for them. Just sign the papers please.
On entering the planet's atmosphere, the Jupiter 2's computer announces their descent altitude in (e.g. 3000) feet, while camera cutaways to the altitude instrument display indicate the altitude (3000) is in meters.