Many a Trekkie was created with this method. Chronological order/Air Date. ENT â TOS â TAS â TNG â DS9 â TNG â DS9 â TNG â DS9 â TNG â DS9... Did you watch Star Trek during it's original run and aren't worried about being spoiled, but don't really remember everything? This is a list of every episode and movie in in-universe chronological order.