A string of bizarre murders related to the TV channel begins shaking their once peaceful town.
They explore the mysterious world inside the TV and perform rescue missions in order to save its victims from death.
Yosuke's inability to accept the clone's claim that he did not enter the realm for Saki's death (and how it was all about adventure for him) allows it to become Shadow Yosuke.
When the protagonist defeats it with Izanagi, Yosuke accepts his true feelings, allowing the Shadow to manifest into Yosuke's Persona, Jiraiya.
You can't date Kanji or Yosuke, so that leaves you with just the girls. Links obviously, but I doubt you could date all 3 of them at the same time, so what are the benefits, if any? And the point of mentioning you can't date the boys is because Persona games have allowed it in the past, and with seeing as how close you are with Yosuke (regardless of the fact he's stuck on Saki.) and the whole Kanji ordeal it's unnerving to not be able to date either of them.
Dating Naoto and choosing the right dialogue options gets you a new costume for her (her schoolgirl outfit)Dating Rise gives you a pretty good Christmas item that gives you an extra 50% SPDating Marie gets you some extra dialogue in a few scenes, particularly the ending.
With Teddie giving analytical support, the protagonist and Yosuke decide to venture into the TV World (specifically Yukiko's dungeon Yukiko's Castle) and use their Personas to fight.
They both warn Chie that she shouldn't enter since she lacks a Persona, though she ignores the warning.
On the 2nd floor of the castle, Chie is caught up with and her emotions manifest and battle the pair as Shadow Chie who revels in Chie's jealousy of Yukiko; though after its defeat, Shadow Chie turns into Chie's own Persona, and Chie joins the trio as the third combatant.
Inside the TV, the protagonist and Yosuke find that there is a pathway to an area resembling Inaba.
There, in this realm created by the true feelings of Saki called the Twisted Shopping District, Yosuke's repressed feelings of how he was not really liked by Saki, whom he harbored an unrequited deep crush on, manifest into a clone-like figure of himself.
The protagonist learns that he has a special power named the Wild Card which allows him to wield multiple Personas (unlike all the other party members who only have one).