TLDR;
The Koopalings are getting ready for bed on the night before December 1st. Bowser attempts to play a prank by turning off the lights and declaring it "December Fool's Day," but the Koopalings are not amused and just want to go to sleep.
- Bowser tries to prank the Koopalings with a "December Fool's Day" joke.
- The Koopalings are tired and just want to sleep.
- A power outage adds to the chaos.
Bedtime and Anticipation [0:00]
The Koopalings are getting ready for bed on the night before December 1st. Bowser goes around saying goodnight to each of them, but Larry complains that he didn't sing the goodnight song. Bowser eventually finishes, but Rex is initially forgotten. After everyone says goodnight, a power outage occurs.
The Power Outage [1:34]
The Koopalings are plunged into darkness due to a power cut caused by storms. Larry's phone battery is dead, but Bowser has a solution. He uses something to provide light, ensuring they no longer have to worry about the power incident. However, the problem remains of how to restore the power. Bowser rallies the Koopalings to work together to get the power back on quickly.
December Fool's Prank [2:47]
Bowser reveals that the power outage was a prank, declaring it "December Fool's Day," similar to April Fool's Day. He explains that he wanted to play a prank since they haven't made videos in a long time. Larry expresses his annoyance and desire to sleep, having been awake for two hours. Bowser insists on continuing the prank, but Larry is not amused. Bowser then wishes the Koopalings goodnight and reminds them to behave for the YouTube show.