Ep. 15: Water Kingdom: Beethoven
Ipinalabas noong Disyembre 21, 1978Filler
On the "Black Knight's Planet," Tetsuro is invited to live together with the Black Knight. When Tetsuro refuses, he frantically throws his lance at him! Maetel jumps to the rescue but his his by the lance! Tetsuro stands up to the Black Knight to get revenge, but... (Source: Crunchyroll)