This way. The side gate's locked.

The side gate's open. You didn't let him back in last night?

Open thee side gate of the camp shelter....Let them in....

We'll get in the party, and then find a way to let you in through the side gate.

What's on the other side of that gate?

Why? Machinegun nests either side of the rear gate.

Could be. Take that walk over there, just to the right side of the gate.

There's a sign on the other side of this gate that say, "Never again".

Dr MacKenzie's work involves analysing psychological data from SG units,... ..specifically looking for common side effects to gate travel.

There's a horde of armed goblins on the other side of that gate guarding the sword of asaroth.