Sitcoms, even the most popular of them, have a certain shelf life.

After a while, the premise either gets stale or is nearing its end date rapidly.

When this occurs, the creative team has a number of options.

Modern-family-Brady-Bunch-Scooby-Doo-Growing-Pains

Custom Image by Annamaria Ward

First, they can simply go out on top, likeSeinfeld.

In theory, it should work fine.

Who doesn’t love a kid?

cousin-oliver-the-brady-bunch

Image via ABC

Yet it doesn’t.

It’s more irritating than not, and, fun fact:it isn’t cute.

While not the first, Oliver is the quintessential example of the trope that bears his name.

The Mystery Inc. gang and the diminutive (and unwelcome) Scrappy-Doo

Image via ABC

It was 1974, andThe Brady Bunchratings were in decline.

The six Brady children were all older, no longer the cute rapscallions of the earlier episodes.

Even Cindy Brady (Susan Olsen) had started to age past the pigtails.

The Brady Bunch

As hilariously described inKate Ward’s “13 ‘Who’s the New Kid?!’

Cousin Oliver Syndrome Transcends Live-Action

Two comedies took Cousin Oliver Syndrome outside the box.

(Walked off a cliff, that is.)

It didn’t work, but at the very least they tried something different.

Any attempts to color the act as anything more than desperation is farcical, at best.