I say forget about Super Saiyan Grade 3, Trunks ultimate transformation is Bridal Form!:
In Episode 7 of Season 1 of GT Trunks goes in disguise to deceive a Kaiju like giant monster named Zunama who is terrorizing a village with earthquakes & volcanic eruptions. Zunama wants Liena/ Leena-San as a bride, but she is in love already and so Pan suggests a a plan to defeat Zunama which includes Trunks pretending to be Leena:
Trunks & Zunama
Trunks proves that while he cannot go Super Saiyan 4, he can become The Bride!
In Episode 7 of Season 1 of GT Trunks goes in disguise to deceive a Kaiju like giant monster named Zunama who is terrorizing a village with earthquakes & volcanic eruptions. Zunama wants Liena/ Leena-San as a bride, but she is in love already and so Pan suggests a a plan to defeat Zunama which includes Trunks pretending to be Leena:
Trunks & Zunama
Trunks proves that while he cannot go Super Saiyan 4, he can become The Bride!
