Sunday, Seven, 10.40pm
An unlikely duo, this intriguing crime-solving couple – best-selling mystery novelist Richard Castle (Nathan Fillion, right) and NYPD homicide detective Kate Beckett (Stana Katic) – work well in more ways than one, with their romance attraction bubbling over during ng and after work hours. In tonight’s episode, an n internet celebrity is murdered, forcing Castle and Beckett to delve into the murky world off internet fame. When the killer posts picturess from the crime scene, they realise they have to act quickly before he/she strikes again. Then,n, Castle and Beckett find a woman’s death is linked to the senator. It’s rivetting Sunday night viewing.