### Clue: Marker for style of TV serial? (9)
### Answer: SOAPSTONE 
 ### Explanation: Definition: Marker
 SOAP(opera, a kind of TV serial, exemplified by "EastEnders", "Dallas" and a seemingly never-ending list)'S TONE(the style,manner adopted in discourse or conversation).
Answer:  An allusive reference to the soft rock that can be carved, and formerly used as tombstones,markers for graves.