The Diner is a small restaurant that first appeared in the episode "Signals." The Man-Woman is shown working at this Diner as a waitress, where she serves food to customers. Although she has stated that her job at the Diner hasn't been working out for her, and would rather play catch all day than work at the Diner with the food. The only known food served at the Diner is a fiery salad, which the Man-Woman served to Mouse Fitzgerald and the Eye. The Diner appears to be a small white building, with a interior consisting of a long window, a table, seats, a shelve with only a static television visible, lamps and a cash register.
- "Rooster" (cameo)
- "Spharktasm" (cameo)
- "Booger Haze" (cameo)
- "Eighteen" (destroyed)
- The Diner is located somewhere next to a few buildings in the City, as shown in the background, which are the same buildings located next to Shark's Office.
- The word "RENID" is backwards for "Diner."