"Scorpion" was the 26th and final episode of the third season of Star Trek: Voyager.
In a region of space, two Borg cubes are seen. They are advancing on their next intended targets for assimilation. Their hail is cut off abruptly as energy beams lash out at the cubes, which are instantly destroyed.
On one of the USS Voyager's holodecks, Captain Kathryn Janeway is running a Leonardo da Vinci holo-program, conversing with a Leonardo hologram in a simulation of the historical figure's workshop. She receives an urgent hail from Commander Chakotay, who urges her to go to engineering to take a look at something.
There, Lieutenant B'Elanna Torres explains that the long-range probe they sent out months ago has stopped transmitting. However, she was able to catch the last few seconds of telemetry, which show a Borg drone's face staring into the viewscreen.