User blog comment:GoldMan27/The Official Detentionaire: Season 5 News Blog/@comment-118.210.69.212-20150104011446/@comment-206.116.64.99-20150104055928

Here, Season 4 episode 52 us airing in Canada January 28 2015! Proof, go to the list of episoes. I watched the season 4 trailer and it's coming in January 8th 2015. Here are some episode names:  Ping Reunion, Brothers Back Again, Radcircles Returns Plan, and Under the School. Hope that helps.