D Episode 51:Bye-bye! Eternal Farewell to Bal!

'Bye-bye! Eternal Farewell Bal' is the 51st episode of Future Card Buddyfight Triple D, and the 165th episode of the series.

Synopsis
After learning that Bal will soon disappear, Gao makes the most of their time together. During the celebration of their victory in the World Buddy Cup, they take on several fighters, and at the end of it all, a strange crest appears on Bal's forehead...