'''Basic Trope''': A one time villain or monster that shows up and is defeated in an episode never to be seen again.
** Bob and his crew of misfits fight against a new monster every week. This week, it's the Condor, a bird-themed villain.
** Alternatively, this week, the villain Bob usually fights takes control of a new object. This week, he's possessing a lost doll.
* '''Exaggerated''': Monster of the Day: A new monster is faced every single day. Today, Bob alone has to fight Charlie, The Spaceship Bomber.
** The heroes only fight a new villain every once in a while, the monsters don't necessarily show up every week.
** The villains and their threats only show up per month, or even longer. This month's threat is a CorruptCop who turned against Bob and his team.
** It's a literal monster of the week in that it shows up once a week.
** They are all disorganized minions by the BigBad.
** The BigBad uses the monster-of-the-week to test the heroes' strengths.
** The city is filled with supervillains, but they set up a schedule so that their schemes don't conflict with one another.
** The monster was KilledOffForReal by the heroes that confronted it.
** The Week Of Monsters, all the monsters attack at once during the duration of one week.
** The entire series is about the battle against one monster.
** The BigBad is defeated by a new hero every week.
** The Hero is defeated by a new villain every week.
** Every week, the VillainProtagonist has to face a new HeroAntagonist bent on stopping him.
* '''Subverted''': The monster shows up and is defeated in the course of one episode, but he returns in the very next episode, even stronger than before.
* '''Double Subverted''': It was a two-parter. After he's defeated again, he never shows up in another episode.
** Every monster is a BigLippedAlligatorMoment.
** Alternately, every monster is treated as if they will return, even though they only ever appear once.
** The monster is actually a Monster of the [[IncrediblyLamePun Weak]], and is incredibly easy for the heroes to beat.
* '''Zig Zagged''': The series alternates between one-time foes and recurring villains.
* '''Averted''': The heroes fight the same antagonist or antagonists in every episode.
* '''Enforced''': The producers want the episodes to be able to stand alone in order to be watched or aired in any order in syndication.
* '''Lampshaded''': "There's another themed monster. It must be Tuesday again..."
* '''Invoked''': The BigBad believes in fighting fair, and because it rarely is just one hero who takes down the monsters themselves, sends only one monster at a time.
* '''Exploited''': The monsters of the week are being used to keep the heroes distracted, the BigBad knowing that the heroes will be too busy dealing with the minor threats to deal with him.
* '''Defied''': The BigBad sends his monsters out all at once.
* '''Discussed''': "Do we do anything ''except'' fight random monsters?"
* '''Conversed''': "Why do you still watch that show? It's the same plot ''every'' week. [[OnceAnEpisode A monster shows up]] and the heroes beat them."
** The monsters of the week were in fact part of a BigBad 's EvilPlan to wipe out the heroes. [[XanatosGambit Even if they are defeated, they still accomplish something that furthers the big bad's goal]]. And if they do defeat the heroes? Then the BigBad benefits because a thorn in their side is removed.
** Alternatively, the BigBad ''thrives'' off of the destruction of monsters-of-the-week and gets ''stronger'' whenever one is defeated.
** The heroes are wise to the BigBad and his plan and find solutions to beat the monsters of the week without furthering the villain's agenda.
** The heroes keep on beating the monsters until the BigBad becomes so powerful he explodes.
** The villain sheds a fragment of their soul to animate each monster. When they become a soulless monstrosity with immense power, they also become susceptible to the hero's most powerful magic and can finally be taken down.
The villain links to a new page every week. This time, it's MonsterOfTheWeek.
%% Optional items, added after Conversed, at your discretion:
%%* '''Implied''': ???
%%* '''Played For Laughs''': ???
%%* '''Played For Drama''': ???