Carly's watching television, when she says, "why can't I prank like that girl?" That girl is Megan Parker from Drake and Josh (2004), also played by Miranda Cosgrove.
At about 14:20, a black helicopter can be seen flying just outside the large window. Although the noise from the helicopter would have a extremely loud if it was actually there, it's image was probably just added in as some kind of "Easter egg" or Prank by the show's editing department and the sound was left out intentionally.