Mighty Morphin Power Rangers Specials Season 1 Episode 12 Happy Birthday Zack

In an effort to conceal Zack's surprise birthday party, the kids pretend to have forgotten Zack's birthday. He goes off by himself feeling a little depressed when Rita throws him the ultimate birthday surprise. Enter a monster named Knasty Knight. Zack takes on the Knasty Knight alone. The Power Rangers come to Zack's aid, but Knasty Knight manages to corrode their weapons. They call on their Dino Zords and form the Megazord, but the Knight's sword is too powerful. By reflecting the Knasty Knight's power back at him, the Megazord wins the battle. It all ends with a fun-filled surprise birthday party for Zack, who is thrilled that his friends did not forget him.