The Young And The Relentless - S2-E11
Visible crew/equipment: When Q notices a body face down in the pool, the camera points to pool and pans right. You can see a female crew member at a table with papers in the reflection of the glass door/window. (00:00:50)
Double Cross - S3-E2
Visible crew/equipment: When the Professor returns from the vortex and punches the guard, in the guard's glasses is the reflection a crew man holding a boom in his hands. Look closely in the right lens. (00:39:05)
Chosen answer: Remember at first Quinn's timer is working perfectly (it's only because they slide off the ice age world early that it begins to malfunction) & given Quinn's intellect he would have devised a way that he could open a wormhole near him so he wouldn't be trapped on that world for 29 years.