At its base, Housepets! the Series is a love story. It's only natural to have heartwarming moments.
- Chapter 11: When Peanut miraculously awakens from a week-long coma with help from Tarot/Spirit Dragon after getting badly hurt saving Grape and their dad from vicious dogs. Grape had stayed with him the entire time.
- Chapter 15: Tiger requested help from Nevermore and the Foster twins to find the raccoon cubs so that they can help Zach snap out of his nightmare
- Chapter 18: Peanut and Grape's wedding.
- Chapter 19: Martin and Joel finally reconciling with their former pets
- The marriages of Bino and Sasha (Ch. 1), and Alcor and Mizar (Ch. 10).
- Chapter 4: Spirit Dragon uses her one permitted miracle in the Cosmic Game to allow Peanut and Grape to conceive children naturally. And Peanut and Grape agreeing to name a female "Tarot".
- Chapter 12: Peanut's father sending him home from the K-9 Academy to be with Grape, convincing him to choose family over duty. And then the first check-up on their five kittens.
- Chapter 20: The birth of three litters: One for Sasha (Bosco), two for Mizar (Rigel and Naos), and five for Grape (Dayshaun, Tarot, Parnok, Louise and Nutella). And don't forget Martin Gordon Sandwich!
- The engagement and marriage of King and Bailey, and King finally deciding to have pups with her.