Of the five live action series, three have had adventures in the mirror universe, DS9 went there a few times. But Voyager never did. Or did they?
In TOS and DS9 people from our universe traveled to a alternate universe and interacted with the "evil" counter parts of people who for the most part existed here. In ENT the people from our universe who traveled to the mirror universe were already dead (Defiant's crew).
Voyager's mirror universe episode could be Living Witness. In the third-first century, Seven hundred years after the event shown in Voyager, the prime universe Doctor is activated in the mirror universe. In the episode Mirror Mirror, both the Prime and Mirror universe's Halkan Council were engaged in negotiations for their dilithium. In Living Witness, the prime Vaskans were negotiating to exchange their dilithium for some of Voyager's medical suppies, at the same time the mirror Vaskans were negotiating to exchanging their knowledge of a cyclic wormhole for the services of the Warship Voyager in fighting their conflict with the Kyrians.
The Kyians and the Vaskans very obviously share a world.
In the prime universe the negotiations are interrupted be a attack by the Kyian who use the negotiations to start a war, in tne mirror the Warship Voyager attacks the Kyians with thirty torpedo tubes, twenty five phaser banks and EMH designed biological weapons.
Duing the attack the prime Voyager loses it's back-up EMH memory module and various pieces of equipment. The mirror Voyage also loses some equipment, including a ship's schematic that is found in the Cyrik ocean.
Somehow all the lost equipment from both ships winds up in the mirror universe, where over the centuries it is found by archaeologists and collected in the Kyrian Museum of Heritage.
After the Doctor's reactivation he relate the events from the prime universe which in no way jib with the (actual) history of the mirror universe. He does manage to achieve a degree of peace between the victorious Vaskans and the subjugated Kyians. He even goes on the become the planet's surgical chancellor for many years. Eventual he desires to journey to the third-first centuries mirror alpha quadrant. I wonder what he found?

In TOS and DS9 people from our universe traveled to a alternate universe and interacted with the "evil" counter parts of people who for the most part existed here. In ENT the people from our universe who traveled to the mirror universe were already dead (Defiant's crew).
Voyager's mirror universe episode could be Living Witness. In the third-first century, Seven hundred years after the event shown in Voyager, the prime universe Doctor is activated in the mirror universe. In the episode Mirror Mirror, both the Prime and Mirror universe's Halkan Council were engaged in negotiations for their dilithium. In Living Witness, the prime Vaskans were negotiating to exchange their dilithium for some of Voyager's medical suppies, at the same time the mirror Vaskans were negotiating to exchanging their knowledge of a cyclic wormhole for the services of the Warship Voyager in fighting their conflict with the Kyrians.
The Kyians and the Vaskans very obviously share a world.
In the prime universe the negotiations are interrupted be a attack by the Kyian who use the negotiations to start a war, in tne mirror the Warship Voyager attacks the Kyians with thirty torpedo tubes, twenty five phaser banks and EMH designed biological weapons.
Duing the attack the prime Voyager loses it's back-up EMH memory module and various pieces of equipment. The mirror Voyage also loses some equipment, including a ship's schematic that is found in the Cyrik ocean.
Somehow all the lost equipment from both ships winds up in the mirror universe, where over the centuries it is found by archaeologists and collected in the Kyrian Museum of Heritage.
After the Doctor's reactivation he relate the events from the prime universe which in no way jib with the (actual) history of the mirror universe. He does manage to achieve a degree of peace between the victorious Vaskans and the subjugated Kyians. He even goes on the become the planet's surgical chancellor for many years. Eventual he desires to journey to the third-first centuries mirror alpha quadrant. I wonder what he found?
