Basically, it's just TNG Data's 'emotion chip' and some variety of Noonian Soong. I think they have gone backward with this story - Isaac seeking to have emotions, or at least, Clare seeking Isaac to have emotions. However, this was another long episode and it also featured, a flashback origin story for the Kaylon, where we meet the Builders, and another story about diplomatic negotiations with a race who view men as inferior. That story wouldn't have made the grade as a primary story as it is really the Moclan in reverse. Bortas's hypocrisy was shown twice. Queue sex jokes. A fourth story concerned LaMarr and Keyali's inability to make love without her breaking him.The Orville discovers a Kaylon with a very special ability.
For Isaac, it was the reset button. Timmis was a Kaylon created by the Builders as a slave. As a Kaylon created by other Kaylon, the emotion upgrade is not permanent.