Half & Half (2002)

S3E1 The Big My Little Pony Episode

After returning from a trip to Hawaii, Mona has a heart-to-heart with Spencer, reinforcing their commitment to remain friends. While sharing vacation photos with her family, Mona excitedly announces her new skill: riding a horse. She is shocked to find out that Dee Dee has been keeping Daddy's Favorite, the horse their father gifted them as kids, despite claiming otherwise for years. This revelation stirs up old wounds from the sibling rift caused by the horse years ago. Determined, Mona sets out to purchase her own horse, but things don’t go as smoothly as she hoped. Meanwhile, Adam assists Spencer in figuring out the reason behind Kai's unexpected hostility towards him.