WaterShuriken
"I..I..Iron Tail, Pikachu."
I actually liked the Scrafy and Roggenrola one, I remember people liking the Scrafty one, well he did his bit but the episode wasn't about him I guess and I didn't mind the Cubchoo/Larvitar one.
Scrafty one was alright because the episode didn't focus on Cilan's Detective Connoisseur skills but mostly Meowth and Scraggy.
When someone mentions the Detective Connoisseur episodes I mostly just think of Where Did You Go, Audino? and The Mystery of the Missing Cubchoo! The two of which were boring epsiodes, in my opinion.
Cilan did his Detective Connoisseur thing in Axew Gets Lost! but Iris stopped him.