“The Offspring”
Written by René Echevarria
Directed by Jonathan Frakes
Season 3, Episode 16
Original air date: March 12, 1990
Star date: 43657.0
Mission summary
Data summons Wesley, La Forge, and Troi to his lab for some Really Big News. After a drumroll, he unveils… a thing! They’re not really sure what it is–it seems to be a Soong-type android in beta–until it calls Data “father” and Data explains that this is his child, Lal.
“Yesterday’s Enterprise”
Written by Ira Steven Behr, Richard Manning, Hans Beimler, & Ronald D. Moore (story by Trent Christopher Ganino & Eric A. Stillwell)
Directed by David Carson
Season 3, Episode 15
Original air date: February 19, 1990
Star date: 43625.2
Mission summary
The Enterprise-D runs across an anomaly that may or may not be there. While they try to sort through their confusing, contradictory sensor readings, something emerges… As another ship crosses the threshold, everything and everyone shifts on the Enterprise-D: Their uniforms now have high collars, belts with phasers, and black cuffs. Nothing gets by Guinan; in the suddenly bustling Ten Forward, the wise and cryptic bartender notes, “This isn’t right. It’s changed.” The mystery deepens: On the now thematically darker Bridge, Worf has been replaced at tactical by an old face, Lt. Tasha Yar, who reports that the other vessel is a Federation starship, registry NCC-1701… C: U.S.S. Enterprise.
“Mirror, Mirror”
Written by Jerome Bixby
Directed by Marc Daniels
Season 2, Episode 4
Production episode: 2×10
Original air date: September 29, 1967
Star date: Unknown (dun dun dun)
Mission summary
Captain Kirk, Mr. Scott, Dr. McCoy, and Uhura are on the homeworld of the Halkans, attempting to negotiate an agreement to mine dilithium from the planet’s surface. The Halkans, however, are a race that believes in total and absolute peace, and their leader Tharn refuses to grant Starfleet these rights; while the Federation is currently benevolent, “the future is always in question.” Disappointed but hopeful for a change of heart, Kirk asks Spock to beam up the landing party.
A powerful magnetic storm disrupts their transportation, however, and their forms flicker in and out of the transporter room. The Enterprise reverses in orbit, flashing, and then the landing party finally materializes. But something is rotten in the state of Denmark…
They appear and are wearing modified uniforms, with gold sashes around their waists. Uhura’s midriff is bare. Spock and the other transporter room officers greet the Captain with a quasi-Heil Hitler salute.
But worst of all…Spock has a beard.
“The City on the Edge of Forever”
Written by Harlan EllisonTM
Directed by Joseph Pevney
Season 1, Episode 28
Production episode: 1x 28
Original air date: April 6, 1967
Star date: no star date (dun dun dun)
Mission summary
The Enterprise is in shaky orbit around a planet, rocking back and forth like a seafaring vessel as “ripples in time” from the surface wash over the ship. An explosion at the helm knocks Sulu unconscious and McCoy is summoned to the bridge to administer medical assistance. He gives Sulu a small dose of “cordrazine,” a powerful and dangerous stimulant, which revives him in a very good mood. Another time ripple rocks the ship and McCoy accidentally empties the entire hypospray of cordrazine into his stomach. He immediately flips out, ranting “Killers! Assassins!” and fleeing the Bridge. The drug has driven him mad, with the paranoid delusion that people are trying to kill him. He attacks the Transporter Chief and beams down to the planet to escape.
Making "Spock's Brain" re-watchable.
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