From The Infosphere, the Futurama Wiki
|Origin||Most likely Earth|
|Usage||Smelling while watching movies|
|First appearance||"The Honking" (2ACV18)|
|Current status||In use|
The Smell-O-Vision is a way to smell while watching movies. It was invented in the 2950s and caused Harold Zoid's career to go downhill.(3ACV08) The Smell-O-Scope uses technology similar to the Smell-O-Vision.