Solution: PH5: Mission: Langley Heist
Answer: DIRE
Written by Dana Young
Answers are as follows:
| The Simpsons character | BART |
| Sesame Street character | BERT |
| Most excellent | BEST |
| Storage device | DISK |
| Type of bird | DUCK |
| Time of day | DUSK |
| Price to travel | FARE |
| Break wind | FART |
| Zuko element | FIRE |
| Broadway musical | RENT |
| Piece of jewelry | RING |
| Place to skate | RINK |
| Board game | RISK |
| Part of a ladder | RUNG |
| Smallest in a litter | RUNT |
| Relieve pressure | VENT |
| Sleeveless garment | VEST |
| DUCT |
| DUCK |
| DUSK |
| DISK |
| RISK |
| RINK |
| RING |
| RUNG |
| RUNT |
| RENT |
| VENT |
| VEST |
| BEST |
| BERT |
| BART |
| FART |
| FARE |
| FIRE |
| FILE |
The highlighted letters spell out the puzzle answer, DIRE.