Episodes
Episode that featured the first fusion (Opal).
What is Giant Woman? (S1E12).
Fusion of Ruby and Sapphire.
What is Garnet?
Fusion of Lapis Lazuli and Peridot.
What is Amazonite?
Episode that showed Garnet is a fusion / had the song "Stronger than You".
What is Jailbreak? (S1E53)
Fusion of Steven and Pearl.
What is Rainbow Quartz 2.0?
Episode that reveals Steven's full name was actually "Steven deMayo".
What is Gem Harvest? (S4E8/9)
Fusion of Ruby (Eyeball) and Aquamarine.
What is Bluebird?
Episode that Steven surrendered to Aquamarine / Homeworld.
What is I Am My Mom? (S4E25)
Fusion of Pearl and Pink Pearl.
What is Mega Pearl?
Episode that Steven freed Bismuth from her bubble for Garnet's wedding.
What is Made of Honor? (S5E22)
Fusion of Ruby and Pearl.
What is Rhodonite?