High School

Rias and her household leaves the fighting of the Chaos Brigade to the adults as they rush toward the temple to save Asia. There, Diodora replaces the Rating Game with a little game of his own. They must fight against his forces to get Asia back!

Diodora continues to pester sweet Asia as the Rating Game approaches. Issei and the others prepare for battle as dark things brew in the background. When the Gremory household jumps to the field, they find themselves in an unexpected battle!

Issei and the others are back to school and their daily lives. Irina and Rossweisse both start to live at Issei's house and the sports festival is fast approaching. During all of this, Diodora Astaroth appears before Asia and proposes to her?!

With Loki defeated, Rias and her household return to the human world to finish up their last days of summer. A pile of homework awaits Issei, but he goes on a date with Akeno instead! Akeno throws herself at Issei, hoping to forget her terrible past.

Loki has been sealed away, but only temporarily. Rias and her family are among the volunteers trying to hold him back, while Odin returns North to retrieve the powerful hammer Mjolnir. Will everyone be able to stand up and fight against a god?

Koneko's sister Kuroka has appeared to take her sister away from Rias Gremory. Issei and Rias chase after her to stop that from happening. At the same time, a figure who objects to these alliances between mythologies appears at the great gathering.

Issei and the others begin their training to improve each of their skills. All the while things are happening around them as powerful people gather to fight against the Chaos Brigade. All the young devils gather in one place.

Summer break is coming up fast for Hyodo Issei, but all his plans are put on hold when he finds out he is to accompany Rias for her visit back home to the underworld! A new adventure is about to begin and all the while Koneko is not acting herself.

Issei learns more about the feud between the Twin Sky Dragons and Rias and Sona have to deal with troublesome family members at Open House.

The Occult Research Club takes over cleaning the pool to thank the student council for their help with Kokabiel, and Issei runs into a lot of trouble.

The Occult Research Club fights Kokabiel and learns some shocking truths about the power struggle between the angels, fallen angels, and devils.

The Kuoh Academy students fight Kokabiel and his minions to defend their school and their town.

Issei and the others team up with the church to fight Freed, but an even greater enemy appears.

Issei and Kiba fight the Xenovia and Irina, and Issei tries to deal with the consequences of their fight.

Issei gets another warning about the white dragon, and church followers bearing Holy Swords pay a visit to the devils.

Issei is back with Rias and Asia living in his house, and Kiba starts acting weird when he sees a picture of a holy sword at Issei's house.

As the school year ends, Tegan and Sara get ready to play their first live show at a party. But will a secret that Tegan must keep from Sara threaten their debut performance's success? Meanwhile, Sara still feels awkward after her fight with Patrick but is excited for summer to begin so she can spend more time with Phoebe. Tegan gets closer to Cass but also misses Maya.

As Tegan tries to repair her friendship with Maya, Sara makes an effort to ensure that Tegan feels included by her and Phoebe by introducing Tegan to Phoebe's friend Cass. Tegan and Sara start performing their songs in front of more and more people, leading to an exciting opportunity and chance for them to take their journey as musicians to the next level.

As Tegan and Sara begin writing songs together, they start to bond and grow closer in a way they haven't been all year. This complicates Tegan's relationship with Maya, as Tegan chooses to spend more time with Sara than with her.

While stuck at home, grounded, Tegan and Sara discover Patrick's old guitar, and learning to play it becomes their new obsession. Not only does this launch them on their journey as musicians, but their newfound shared love of playing music begins to repair their fractured relationship.

After a turn in her relationship with Phoebe, Sara is in a funk and can’t stop feeling sad. As a distraction, her new friends decide the best way to cheer her up is to take her to a rave. The idea of going to the rave is the first thing that’s made Sara look excited in a month, so Tegan feels obligated to go as well, despite her fears that they’ll get in trouble.

As Tegan becomes closer to Maya, she gains more perspective on her relationship with Sara. Tegan feels responsible for Sara at all times and it starts to weigh on her, especially compared to her friendship with Maya, which feels easy. Meanwhile, Sara struggles to balance her new friendships and interests with her relationship with Phoebe.

While Sara continues to withdraw from her family, especially her mom, she and Tegan make headway with friends at their new school and are invited to a party. But as Tegan begins to make friends of her own, Sara starts to realize how important Tegan is to her.

Tensions are high between sisters Tegan and Sara on their first day at a new school. Their relationship became fractured over the summer because Tegan felt cast aside by Sara and their shared best friend Phoebe. As Sara tries to break free from Tegan, Tegan tries to make sense of Sara pulling away and attempts to make friends outside of her sister for the first time.

Koneko has a healing technique, but does Issei have the wrong idea?

Irina, Xenovia, and Asia compare their "battle underwear".

Rias and Akeno compete to see whose sexy roleplay has greater appeal for Issei.

Unaired 13th episode of season 2. When Asia Argento is attacked by a monster that steals underwear, Rias Gremory, Hyoudou Issei and the rest of the gang step in to destroy it... only to be surprised by the monster's tentacle attack. As it turns out, Shidou Irina's target is not the monster but whoever has been controlling it. And so the hunt for the Legendary Sage, an underwear thief, is on...

Unaired 14th episode of season 1. Issei gets possessed by a perverted mummy.

Unaired 13th episode of season 1. A rumor is going about the school about how girls are disappearing and coming back ill and with their breast size decreased.

Asia wants to prove she is just as bad as any demon by using ideas found in Issei's magazines, going as far as dressing up like a harlot and seducing him, but Issei tells her to just be herself.

As part of the penalty from a bet, Sona and Tsubaki make udon for the Occult Research Club; however an accident makes the udon come to life in a very peculiar way.

A few flashbacks of how Issei first found out and eventually perfected his special move, Dress Break.

Koneko accidentally has her personality reversed magically, making her incredibly sexually active and reversing her sexual preference.

Issei is being given lessons in magic by Akeno. After getting beaten, he spills a parfait on her. She requests him to lick it off her chest. At this point, Issei wakes up in Asia's lap and gets shocked by Rassei.

The Occult Research Club goes on a beach outing. Issei messes up applying sun lotion to Rias, and is punished by being beaten by Koneko with a baseball bat.