There is no Ariadne among the cast of Inception that this episode features.
After everyone wakes up from the dream, you can see behind Mr. Mackey's head that the sheep-herder is missing his head, just as he was killed in the dream.
Hoarding Expert #1: Look, if we can get the fire department into the councilor's dream, then we can jump everyone down at least another 6 dream levels. That way, we'll be in the councilor's deepest level of sub-conscious.
Hoarding Expert #2: And it will be like a taco, inside a taco, within a Taco Bell, that's inside a KFC, within a mall, that's inside your dream!
The episode title and plot is a parody of Inception, a popular science fiction movie released in July 2010.