Alex Trebek: That's "Therapists"... That's "Therapists", not "The Rapists"!
Sometimes, your eyes blur the words on your screen together, and Hilarity Ensues.
For when you read the name correctly but misinterpret what it means, see I Thought It Meant (for tropes) and I Thought That Was (for works). For when you mishear lyrics or dialogue, see I Heard That As.
Please put all the examples in alphabetic order