I think there was a cat on Catspaw though. I haven't seen that episode in a long time. Gary Seven's cat could turn into a sexy woman. I love 60s era TV. If they did that today, there would be an uproar of constipated and uptight people whining about it.
Assignment Earth was supposed to be a spinoff TV show. It's kind of a shame that didn't end up happening. I would have loved to have seen Gary Seven trying to stop humans from our stupid crap every week.