Self-Fulfilling Idiocy

Self-Fulfilling Idiocy is the longest running Door Monster sketch series, the first one published in Jul 18, 2012. Though they aren't necessarily continuations of the same plot, they all involve making fun of time travel tropes and often explore paradoxes.

Self-Fulfilling Idiocy 1
The first in the series involves Kyle attempting to stop his past self from meeting his future self, ironically causing some disaster that blows up the sun. Each successive version of himself attempts to stop his previous version, abet out of order, creating a confusing and tangled web of motivations.

Self-Fulfilling Idiocy 2
Kyle builds a time machine out of furniture from Ikea, as he reasons that he must do eventually so he can go back in time and meet his past self from the Self-Fulfilling Idiocy 1. Showing it off to Ian, he eventually reveals that this reasoning keeps trapping himself in loops, as his future self keeps appearing and necessitates him to go back in time.

Self-Fulfilling Idiocy 3
Keeping with the theme of time travel, Self-Fulfilling Idiocy 3 has not actually been made yet, but is on the team's to-do list. Apparently one of the holdups is that their TARDIS prop is broken and it must be fixed.

Self-Fulfilling Idiocy 4
Self-Fulfilling Idiocy 4 was used as the team's first year finale, where Doodleconn begins to tie their videos together and cause them to blend. Kyle, Ian, Ethan, and Jefferey run around previous Door Monster Videos and try to stop them.

Self-Fulfilling Idiocy 5
Kyle is about to make the grilled cheese sandwich mentioned in Self-Fulfilling Idiocy 1 when Ian travels from the future to stop him. Crisis averted after Ian makes the sandwich instead, Kyle begins to repeatedly almost make instances of the sandwich to cause Ian do whatever he wants.