Hyperdimension Neptunia (TV)

In ep 6 at 15:28 Noire's cosplay is very similar looking to K-on's Asuza. They even have the same red guitar.

In episode 3 around 10:43, Vert displays a game to the rest of the girls. The game uses a Microsoft Xbox 360 controller and Kinect.

In episode 3, the girls go to a waste disposal plant in the Zune district, named after Microsoft Zune

In episode 3, some of the waste shown at the disposal plant includes the original Microsoft Xbox, Sony PS2, Sony PSP, and Gameboy Color

In episode 6, a picture of Noire dressing up as Makise Kurisu of Stiens; Gate was shown. Kurisu and Noire have the same seiyuus.

In episode 6 around 5:05, Noire and Blanc discusses about network security and that the "Lastation" has been breached. This is most likely a reference to Sony Playstation and how they had a major data breach in 2011.

In episode 6 around 8:50, a character is introduced as Ms. Setag. She is described as a programmer and has a hair pin that looks similar to the Windows logo. When she talks, she makes puns with "bill" in which Neptune reacts saying "This one's going to flop worse than Windows Me." This is a reference to Microsoft and Bill Gates as Gates backwards is Setag.

In episode 6, Nepgear shows Uni the picture quality of her hidden camera as using a NPEG-4 codec. This is a play on the MPEG4 codec used for MP4 files.

In episode 10 around 5:55, Ram and Rom mention about playing some games, including a new version of Lowee Sports. This is most likely a reference to the Wii Sports series.

In episode 10 around 7:00, Neptune was shown carrying gold rings. These rings were later shown floating while attendees were collecting them, including one dressed in a green hedgehog costume. This is a reference to Sega's Sonic the Hedgehog franchise