It's hard to say which episodes would be the favourites as there are so many good and new ideas that are fascinating to see in the particular context in each one.
From the Damon Dark series we liked "UFO hunter" a lot, because you showed much depth in the character of Damon and enlighted his obsession with UFOs and aliens very good, loved the intense/psychotic feeling it transmitted to us as viewers. We like your scripting and acting abilities that have improved over the months/years, at least that's how we see it. Can't help but your acting style slightly reminds us of William Shatner sometimes. LOL That is rather cool as Mr Shatner is iconic in the worlds of science-fiction, his Captain Kirk is a legend. ;-)
A very interesting episode of DD was the black and white one called "Terror 9/11". What would have happened if Gary had interfered? A tempting thought.
Overall, the time-travel aspect is wonderful. So Damon can pop up everywhere any time, depending on your choice. And to us Damon Dark is a positive hero with an obsession that is needed to save the world from ill-natured creatures from outer space. The world needs such heroes! And the heroes need friends like Gary! So hope to see more of him in the future. Other favourite supporting artists are Oliver as The Magician and Gillian as Hecate. Location filming is always appreciated as well.
Another bonus in episodes is the collaboration of you all as a team, so really looking forward to the ultimate crossover that you discussed here somewhere in a special thread.
Funny moments are very popular with us, too (like Damon and the cup cakes), ever in for a good laugh - which brings us to Vincent Kosmos. His cool remarks are unbeatable. Chris created a very bright/shining and eccentric screen persona. And that is what fascinates his audience we think. So Vincent could possibly entertain, no matter what he does as long as he himself stays in character. Chris seems to be a natural performer and Vincent Kosmos has become kind of a 'cult figure' by now - and it's amazing he achieved that in relatively short time. It's not easy to choose a favourite story here as well, liked the last one with the Toymaster a lot or "Dorian Gray". At last we'd like to point out that we love the opening titles of the current episodes, with the red door. And the music is just great.
Don't like the gas mask zombies so much, but the joke Vincent made out of it was brilliant (Killer Rap).
There are three parts of Young Adventures of DD out now, and we still think it would be the very start we like most as it has that special charm of the first episode of a new project that makes it so appealing. It was a great idea to do this prequel to DD. And Jack is a very talented young guy.
Can't wait until the Doctor Lansing Chronicles come out. The introduction of his character was one of the best choices. And Trea's support as a master of special effects did really pay off! Just thinking of the Femborgs.
Speaking in general, we like character-driven plots. Visual effects are important and add up in making the episodes enjoyable as long as they don't take over the show and push the acting in the background. This hasn't happened in your shows, but sometimes it's the case in modern sci-fi series/films - and that's a pity.
Okay, we drifted away a bit from the actual question, but that is mostly because we can't decide for one certain episode and thought it might interest you what aspects of the shows we like in general. Hope you don't get tired reading this long post. LOL