You can get it to display them in 4:3, if you go to details (alongside the episodes and suggested tabs) and uncheck "Remastered aspect ratio"

There aren't any plans to send any more missions to Pluto afaik

Oh that's sad, it worked the last time I tried it but that was a few months ago.

When the ad is playing, are you able to press up a couple of times and click on the little (i)? It might then go to a "why am I seeing this ad" page which you can then click ok on then click on don't watch this ad again and it will skip the ad. Doesn't work if you're casting a video from a phone, and it doesn't work on some channels.

My android phone can too, but it's optional.

That happens in the book.