User blog comment:B214/Volume 21 info & spoilers/@comment-124.107.216.47-20160616194612/@comment-25923386-20160616210637

I don't think EX is even real, can't find it on ebay or for sale anywhere on Funimation's website(Its said to be included with season 3) look:

Season 1

Fantasy Jiggles Unleashed (Vols 1-6) Actor Commentaries New Material from Ichiei Ishibumi! Fantasy Full-blast Gentleman's Disc Club Promos (~Introducing the Occult Club~, ~The Ladies~, ~The Loli-lolis~) Promotional Video Commercial Collection U.S. Trailer Textless Songs Trailers

The Series

Textless Opening Song Sympathy" Textless Opening Song "Gekijouron" (Passionate Theory) Textless Closing Song "Houteishiki wa Kotaenai" (I Can’t Solve the Equation) Textless Closing Song "Raburii Debiru" (Lovely Devils) U.S. Trailer High School DxD New Broadcast Commemoration Special: Yoko Hikasa's Voice Acting High School New Material from Ichiei Ishibumi! Fantasy Full-blast Gentleman's Disc Club Promos - New Commercials! <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Promo Videos

<span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Season 3 and Sason 3 Limited Edition

<span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">6 OVAs  <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Promotional Video 1 <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Promotional Video 2 <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Blu-ray/DVD Promos <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Textless Songs <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">U.S. Trailer <span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">Trailers

<span style="color:rgb(0,0,0);font-family:"OpenSans",Arial,Helvetica,sans-serif;font-weight:normal;line-height:normal;">No EX anywhere