Apocalypse is a miniseries that takes place during the main series of Mall Boy. It involves an evil tyrant named King Darius always trying to take over the city where Mike lives.
These three are not numbered by 1, 2, 3, etc as they were three parts of the first 'Apocalypse' special. The MB 5 and later Apocalypse episodes are a triple-length episode and not split into parts.
Apocalypse: The Takeover: 8/8/16
The city government of Oakville is overthrown one day by a group of evildoers, causing the city to be thrown into chaos.
Apocalypse: Destruction: 8/9/16
The tyrants have taken over, and now the city has been demolished due to the destruction of the evil people.
Apocalypse: Oakville War: 8/11/16
The trapped citizens fight back against the evil rulers.
Apocalypse 2: Electric Fence-aloo: 10/7/16
King Darius tries to take over Sycamore City after failing to take over Oakville.
Apocalypse 3: Blizzard: 2/12/17
King Darius tries to take over Sycamore City again by causing a massive blizzard!