but we should be able to watch padre pre game, games and post games with extra innings when the regular season starts, right?
Technically speaking, no. Pre and Post are not supposed to be available on MLB EI and that's been the case for a number of years. The reality is that it can't always be controlled as a human being has to be there to see if the game is over and then flip the switch. That human being is also having to monitor a gazillion other things so at times some of the post game can get in there. At least that is how it is supposed to work.