Garnet's regeneration in "Your Mother and Mine" and "A Single Pale Rose" during the war (albeit during the Corrupting Light's blast, rendering her actual palette unclear), also seen in Pearl's projection from "Now We're Only Falling Apart", also seen in "The Gaunlet" story in Steven Universe: Fusion Frenzy after Garnet decides to fight for herself when Blue Diamond sends soldiers to capture her.
Garnet's regeneration in "Buddy's Book" and the painting in "So Many Birthdays"
Garnet's Debut Regeneration from "Gem Glow" to "The Return", also seen in "Three Gems and a Baby", "A Single Pale Rose" and briefly in Steven Universe: The Movie