### Clue: Turn Dad's Army into repetitive performance (6)
### Answer: ROTATE 
 ### Explanation: Definition: Turn
 T.A.(abbrev. for the Territorial Army in the British military, made up of volunteers, whose average age is higher than that of the regular troops, and thus is in danger of being a "Dad's Army") **contained in**(into) ROTE(a repetitive routine, usually used as a method of memorising, especially if without comprehension).