In these early episodes we're certainly not hearing anything about Shatner lording it over the secondary cast regulars or cutting their lines. Hell, Takei credits Shatner with infecting people with his enthusiasm and professionalism.
Nice to see that after the initial cost overruns they were hitting some episodes that were coming in under budget.
You also get a definite sense that most everyone really gave a damn about what they were doing even though they were working in a pressure cooker. Even with all those good intentions it's easy to see how some personalities might clash.