No, I don't believe it was that one. That sounds like a PBS documentary. Though I'm reasonably sure you probably won't like this one either. They interview quite a few right wing partisans and few, if any, left wing partisans. Still and all, the documentary is fair and accurate not only about Reagan but to history as well.
The criticisms made about Reagan, and they were more then fair about extolling his virtues, were correct and accurate. The most serious criticism made in the documentary about Reagan was quite surprising as it comes from a man who was a serious Reagan partisan and it comes at the very end of the documentary.
I liked the documentary because it portrayed Reagan as the man of flesh I voted for twice and not the mythological idol that the Grover Norquist gang has tried to create about him. The documentary does a good job in demolishing these myths. Among my favorites is how they demolish the mythology of Reagan being a small government conservative.