This weekend on The iHeartRadio Countdown with Mario Lopez Joey McIntyre will be checking in! He's of course 1/5 of the New Kids on The Block and just kicked off his own sitcom on Pop TV called 'Return of The Mac'! So we'll catch up with him and talk about their huge upcoming tour. Plus can Ed Sheeran remain at the #1 spot for a 13th straight week!? Tune in to find out!