The term "catfish" is derived from the title of the previously-mentioned 2010 documentary, in which filmmaker Schulman discovers that the woman with whom he'd been carrying on an online relationship had not been honest in describing herself.
MTV and the Catfish film's producers, Schulman and Joseph, help people who are emotionally entangled with someone they have never met in real life.
Later they talk and Chelsea admits she is bisexual and has feelings for Sunny. Nev introduces Sunny to the real Jamison in the end.
And there are those people who are catfish in life. They keep you guessing, they keep you thinking, they keep you fresh.
And I thank God for the catfish because we would be ...
Each episode is an investigation into whether or not the other participant in the virtual relationship is legitimate or if they are, in fact, a "catfish".
Some couples have been communicating for a few months—others, for years.