Looks like the show is establishing continuity. Tigtone unleashing all hell in the season finale more or less destroyed Propecia. Prince Lavendar (I got nowhere doing searches for "purple" and "violet") finds out his real father was the wizard that got killed last season, becomes half-wizard, kills King, then teams with a ruthless entity Tigtone released into the world. Queen goes mad, and having King's head attached to her body doesn't seem to help. After Tigtone sates his quest kink, he and Helpy go on a quest for soup. Yes, it is epic.
The other story involves a city of riches where everyone is forced to scream, lest they get killed by an invisible monster. Tigtone's workaround: have a blind hermit rip off his (Tigtone) ears and attach them to his eye sockets.
I've been seeing a lot of hate stemming from Adult Swim canceling The Venture Bros*, and Tigtone is cited under "How is THIS still on the air?!?" The weird thing is that I find it charming with the bizarre animation, over-the-top antics, and all of the violence.
*There are also people hung up about Metalocalypse not getting a fifth season. They might have a point, but why continue to forever die on that hill?