Arsenal vs Olympiacos Live Stream, match commentary and TV Channel from Champions League tie. Arsenal return to familiar surroundings on Wednesday night as we welcome Olympiacos to the Emirates in the Champions League. TV Channel and Live Stream: Arsenal vs Olympiacos kicks off at 20:00 BST on Tuesday at the Emirates Stadium. Watch Arsenal v Olympiacos LIVE in play with Bet365 here bet365 stream over 200,000 events live to your PC every year, so you can bet as the action unfolds. Just two wins in their last 21 Champions League group-stage fixtures tells its own story.