Best way to connect Play 5 Gen 1 to TV

You need to be aware of any compatibility issues with gen 1 speakers and newer ones. But a Playbar will be a good option. Then use the group feature to play tv audio to the other rooms/speakers. The Playbar should be adequate for your tv audio.
 

Grouping to Playbar with a tv input there will be a slight audio delay, but from a different room you shouldn’t notice it. 

Is there anyway to not get a delay? In my living room I'd like to watch but when I walk around the house I'd like to still be involved since my wife watches something and I want to react with her. Hmm.

No. 

But, it’s only 70msec or so, so you starting to react that much slower than her is going to be pretty close to synchronised. 

Thank you so much for the replies! I really appreciate you. 

That shouldn't be an issue for myself. I'm not sure if I should just sell 2 Play5s for 2 Sonos 1s 1st gen to have a surround set up. Don't know if it'll be worth the hassle. The living room space is kinda small.

Is there anyway to have earc for the playbar or am I stuck with digital in? 

Also, would you know if it would be appropriate for gaming??

Playbar only has an optical input, not Arc/eArc. 
 

You could use the :5’s as surrounds to the Playbar. 

I think @nik9669a got a little carried away in providing excellent advice otherwise 😊. Unfortunately you cannot use Play5 Gen 1’s as surrounds as they lack a 5Ghz card.

Apologies, @Kinnybera - gen 1 are not suitable as surrounds. Thanks for correcting me, @AjTrek1   

@nik9669a 

Don’t mention it. We’ve all had a brain-lapse at one time or another especially given Sonos’ naming conventions of  Gen1, Gen2, Gen3 for the same speaker. One can easily become confused 😂