Happy Birthday, Zack
| SUMMARY | |
| Written by | Stewart St. John |
| Directed by | Jeff Reiner |
| First aired | September 16, 1993 |
| Production code | 112 |
| Episode number | Season 1 Episode 10 |
| Previous episode | For Whom the Bell Trolls |
| Next episode | No Clowning Around |
| Series | Mighty Morphin Power Rangers |
Plot
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 melt down their weapons.