SERIES PREMIERE: Part 2 of 2. So here’s the deal: After CBS is through televising the premiere, for free, of Star Trek: Discovery, viewers immediately can watch episode two. But that’s only if they switch over to CBS All Access, the network’s subscription-fee streaming service, which will be showing all remaining Star Trek: Discovery episodes Sundays on a weekly basis. In other words, the first taste is free. Everything else, you have to pay for…