Help with Teleport Tardis entity of gui if player is inside the Tardis Dimension

I assume you go into the entity and then enter the dimension. So after entering you make the Tardis entity (animate then) despawn after entering or after 5 seconds or so, ie start the procedure just before entering the dimension. Ofc you can just instantly despawn it if you don't care about multiplayer. Then for moving it to somewhere new, I assume your problem is that the dimension you're trying to teleport to isn't loaded. Can you not just respawn the tardis as you enter the target dimension. Although that skips any teleporting animation for anyone else watching. But then if there was another player in the game watching, they would be loading the dimension that they're watching from so everything would work fine, yeah I now realise just despawn and respawn if you don't care about multi. If you do then it's the same but add an if or for when there are more than one player in the game? But if thats what you're looking for then I don't think it's possible. Maybe try looking up ways to load a dimension without a player present. Tbh I don't know what you're asking for...