Fourth Wall Breaks

What is a fourth wall break?
A fourth wall break is when a character either breaks character, talks to the audience, or mentions the fact that it's being recorded.

All GameCube Playthroughs
At the top left corner of the screen, you can see the framerate.

When the game autosaves, it mentions so at the top in yellow text.

Wario and Luigi play Double Dash!!
At the beginning, Luigi introduces himself as Waluigi, then Wario corrects him by saying, "I thought you were Luigi. Which one are you doing, Luigi or Waluigi?"

At around 35 seconds in, Wario mentions how he had to "turn down the graphics so it can record better".

At some points in the episode, Wario mentions that his controller glitches out.

Luigi, midway through, points out the "Super Lag".

Mario Party 7, Episode 1
2 minutes in, Waluigi states that the game couldn't be any laggier, and that he can't render videos while he plays. You literally see the cursor as he closes out of Vegas Pro to fix the framerate.

Mario Party 7, Episode 2
Mario Party 7, Episode 2, contained a ton of fourth wall breaks.

JAPANESE MAN: Mario, Wario, GO!!

WARIO: I sound just like the Japanese Man... I swear to God he's like the same person or something! Screw you Japanese Man!

>>[Split] No, I like Japanese Man.

>>[Dominant] He sounds just like me. It's like he's voiced by the same person or something.

During the video, Waluigi mentions he's using a keyboard.

In episode 2, Gamed9x and Polara come in.

Gamed9x and Polara states that they're in control of Wario's actions, since they both voice him.

Waluigi mentions the bandicam file.