Antonio believes that the anchor on the evening television news is speaking directly and personally to him. He even goes to the television studio to talk to the anchor. Antonio is suffering from:

Delusional thinking or dilusional disorder

Explanation:

Antonio believes that the anchor on the evening television news is speaking directly and personally to him. He even goes to the television studio to talk to the anchor. Antonio is suffering from delusional thinking or delusional disorder.

Delusional thinking is a type of schizophrenia. Delusional thinking is a mental disorder that is associated to situations that might happen in real life such as being followed by someone, loved by someone from the distance, etc. This serious mental illness makes the person believe that the delusions are real.