As MacGyver and the Mythbusters have taught us, anything can be rigged to explode. Honourable mention to Q Branch as well.

{whistle} Rule, Britannia...

Transcript

Leia: We need to get back inside and up to the landing pads.
Han: Right. Let's go!
Chewbacca: First things first. I must retrieve my trusty sidearm.
GM: As you arrive, the doors close.
[SFX]: Ssssssshhhhwooop!
[SFX]: Pow!
Han: Darn. All my explosives are on the other side of this door.
Leia: That must be kinda like locking your keys inside the car.
Han: It's a strictly worse class of problem.
Leia: How so?
Han: You can get into a car with explosives. But car keys can't blow things up.
R2-D2: Well, not with that attitude.
[SFX]: < boop whree fo-oogoo >