The group find themselves bubbled by their doppelgangers and with no way to escape, Meanwhile Miss Triangle comes to Li'l Triangle with an interesting proposition.
The COVID-19 pandemic returns to Space Void Corner, leaving Miss Triangle staying there with the Snowtabs due to her being the prime suspect for causing it to return.
One year after the events of "The Christmas Pandemic", Gingtab decides that the only way to finally beat COVID-19 is to find the source of the pandemic and go back in time to stop it from happening.
In order to impress Cloudsnow, Gingtab uses steroids to get ripped quick, Meanwhile Bro Triangle is encouraged to get fit after seeing Gingtab's new physique.
When Tabsnow has an objection to the c word, Cloudsnow gets everyone to overuse the word in order to show Tabsnow how pointless it is to get upset over it.
After Miss Triangle does something awful, Mr. Triangle loses trust, leading to the two having a special kind of relationship therapy which involves their memories of each other being erased.
Greysnow and Li'l Triangle are left behind on a mission; Tabsnow is faced with a person he has history with on his and the crew's mission to the Inter-Void.
When The Ruler of Universes threatens Space Void Corner with a giant cannon, the crew and their newly formed planning committee all come up with their own idea of how to stop the attack.
Miss Triangle has a choice to make when she finds out the gem The Ruler of Universes needs for the incoming invasion can allow her to return home; the crew brainstorms on how to cheer up Mr. Triangle.
While Yellowsnow and the Snowtabs try to hold off The Ruler of Universes from entering the Snowtab Realm, Mr. Triangle and the other Triangles try to face him head on.