These are all the clips of Season 2 where characters said What are you doing here, it happened in every episode in Season 2 except for episode 5.

Season 2 Episode 1 - 0:00 to 0:22
Season 2 Episode 2 - 0:24 to 0:26
Season 2 Episode 3 - 0:27 to 0:28
Season 2 Episode 4 - 0:28 to 0:29
Season 2 Episode 6 - 0:29 to 0:30
Season 2 Episode 7 - 0:30 to 0:32
Season 2 Episode 8 - 0:33 to 0:34
Season 2 Episode 9 - 0:34 to 0:35
Season 2 Episode 10 - 0:35 to 0:36
Season 2 Episode 11 - 0:36 to 0:41
Season 2 Episode 12 - 0:41 to 0:43