I'm in the process of redoing my Episode 1. I'm about halfway through the sketches at this point, just working on it when I have the spare time and energy.
For me, it'll be worth it. Mine is not just a visual update - it'll establish a better tone, better pacing, and give readers a better sense of what my MC's personality is like when he's not enormously stressed.
Also, I changed the colour of his whole dang spaceship in my most recent episode, so now I have to go back and update all the other episodes to make them match. 