Probably my favourite of these sci-fi adventures. Having revived "Spock" to something akin to his previous, pompous old self; the crew of the now destroyed "Enterprise" set sail for home in their captured Klingon Warbird. Meantime, unbeknown to them, a probe is wreaking havoc on the galaxy as it emits odd pinging sounds on it's way to Earth. Our explorers approach the planet to discover that the probe has polarised the atmosphere and even the sophisticated Starfleet Command has no idea what's going on... Well, it turns out that the probe is pretty fluent in humpback whale-song but we have long... läs resten.