https://en.m.wikipedia.org/wiki/Sweetening_(show_business) gives a quick rundown.

In television, sweetening refers to the use of a laugh track in addition to a live studio audience. The laugh track is used to “enhance” the laughter for television audiences, sometimes in cases where a joke or scene intended to be funny does not draw the expected response, and sometimes to avoid awkward sound edits when a scene is shortened or more than one take is used in editing.

Dude’s out here trying to become Genghis Con with all these kids

This looks shopped. I can tell from some of the pixels and from seeing quite a few shops in my time.

Really though it was likely a cell phone in her hand to begin with.

He could just go by “Andy” instead of “Andrew”

How’d you get your balls in a twist?