I liked the episode ok. I like the dynamic between Lightman and Terry. I laughed every time Cal smacked him on the head. The plot overall was kind of predictable, but it was fun to watch.
I loved the Cal/Gillian stuff at the beginning. I think my favorite part was when Terry introduces himself to Gillian and then calls her Gil, Cal corrects him and says her name is Gillian. I love the way he says her name. I did not like the ending with him and Gillian in the hall. I thought he was a little harsh. She probably went a little too far with the whole intervention thing, but her motives were good. Maybe there still is "that line" between them.
I too thought there was something a little wonky with the Lightman timeline, but after watching Depraved Heart and The Best Policy, there aren't any real discrepancies. Cal says that his Dad skipped out before his mom died and since in the video of her in Depraved Heart she says she's going home for her husband's birthday, she must have remarried. Her last name is even different, Mason instead of Lightman.
And it's never stated how old he was when he met Jeffrey in The Best Policy, just that he'd known him a month and that Jeffrey was in college.
So now with all three episodes, we know quite a lot about Cal's early years, here's hoping there's more to come.