Here are a few scenes I remember shedding a tear about.
-Zyuranger episode 42. Even with Burai having little to no time left to live, he spends the last of it helping his brother and friends. Seeing him dying and giving the Dragon Armor to Geki was a beautiful way to see him go.
-Zyuranger episode 43, where Dragon Caesar was rampaging and sad over Burai's death. Nuff said.
-I don't know if Power Rangers counts but I remember one of the final episodes of Time Force where Frax, right before be becomes Ransik's puppet, gives Nadira a speech talking about ending the cycle of hate. Despite Nadira's awful acting, even she couldn't ruin this scene [ame="http://www.youtube.com/watch?v=L7cLBXvOW7I&feature=related"]YouTube - PRTF #38 The End Of Time (1) 2/2[/ame]