They meet in episode 163. The episode is released now.
Naruto Shippuden Episode 114
he meets the real pain aka nageto on ep 172
Naruto Fghts Pain At 162?
it starts at episode 163
Naruto Shippuden episode 246, The Orange Spark.
Naruto episode 216
well pain attacks the leaf on episode 157, but naruto actually naruto fights the real pain in episodes 162-166
Actually, he does meet naruto in episode 12 and they battled in episode 14-15 or somewhere near that.
it is episode 168 :)
pon
in episode 166 when pain takes down hinata
episode 58 its really naruto shippuuden episode 58!