Today, I bumped into a funny video. Today, I bumped into a funny video.

Alt: Today, I came across a funny video.

Today I bumped intochecked out a funny video. Today I checked out a funny video.

check out (look at or take notice of someone or something) - slang

It is a cut of a sitcom. It is a cut of a sitcom.

Alt: It is a video clip from a sitcom.

It iwas a cut ofrom a sitcom. It was a cut from a sitcom.

Because your first sentence was past sentence I this past tense also.

It is a cutlip of a sitcom. It is a clip of a sitcom.

At first,The video starts off with a man inviteding his colleagues to hisa weekend's party. However, two of the colleagues fouind valid excuses and refused him. The video starts off with a man inviting his colleagues to a weekend party. However, two of the colleagues find valid excuses and refuse him.

Alt: However, two of the colleagues already has other plans and therefore refuse him. When talking about the plot of a book/movie/show, you need to use the present tense. Literary Present Tense: https://www.writermag.com/improve-your-writing/fiction/present-tense-novel-plot/

At fFirstly, a man invited his colleagues to his weekend's party,party on the weekend, but two of the colleagues found valid excuses and refused him. Firstly, a man invited his colleagues to his party on the weekend, but two of the colleagues found valid excuses and refused.

like "finally" you can use "firstly", "secondly, "thirdly" to make points

At firstIn the clip, a man invited his colleagues to his weekend's party, and two of the colleagues found valid excuses and refused him. In the clip, a man invited his colleagues to his weekend's party and two of the colleagues found valid excuses and refused him.

The third one saidys, "Tthanks, but no, I don't want to go." The third one says, "thanks but no, I don't want to go."

The atmosphere wais so embarrassing, and t. The others triedy to find excuses for her. The atmosphere is so embarrassing. The others try to find excuses for her.

I feel like these two phrases don't need to be in the same sentence so I separated them.

The atmosphere was so embarrassing, and that the others tried to find excuses for her. The atmosphere was so embarrassing that the others tried to find excuses for her.

who is "her"?

But she still insisteds that these excuses did not exist; the only reason was that she didn't want to go. But she still insists that these excuses did not exist; the only reason was that she didn't want to go.

But she still insisted that these excuses did not exist; the only reason was that she didn't want to go. But she still insisted that these excuses did not exist; the only reason was that she didn't want to go.

what do you mean "did not exist"?

Finally, all the colleagues admitted that they also didon't want to attend and hoped to be frank like the third one. Finally, all the colleagues admit that they also don't want to attend and hope to be frank like the third one.

Finally, all the colleagues admitted that they also didn't want to attend and hoped to be frankhonest/direct like the third one. Finally, all the colleagues admitted that they also didn't want to attend and hoped to be honest/direct like the third one.

"frank" not many people use

Finally, all of the colleagues admitted that they also didn't want to attend and hoped to behat they were as frank likeas the third one. Finally, all of the colleagues admitted that they also didn't want to attend and hoped that they were as frank as the third one.

The promoter wahost is upset. The host is upset.

IHowever, that is just a comedy; i. In real life, I threfusinkg bluntly refusing others would hurt themselves, and speaking conventional remarks is a necessary lubricant in a mutualwould hurt the person. Speaking politely is a necessary nicety in a relationship, especially forwith acquaintances. However, that is just a comedy. In real life, refusing bluntly would hurt the person. Speaking politely is a necessary nicety in a relationship, especially with acquaintances.

It iwas just a comedy; i. In real life, I think bluntly refusing others would hurt themselves, and s. Speaking conventional remarks is a necessary lubricant in a mutual relationship,; especially for acquaintances. It was just a comedy. In real life, I think bluntly refusing others would hurt them. Speaking conventional remarks is a necessary lubricant in a mutual relationship; especially for acquaintances.

what do mean by "conventiona"l and "lubricant"?

It is just a comedy; in real life, I thinkfeel that bluntly refusing others would hurt themselves, and speaking conventional remarks iwhite lies are necessary lubricant in a mutual relationship, especially forbetween acquaintances. It is just a comedy; in real life, I feel that bluntly refusing others would hurt themselves, and white lies are necessary in a mutual relationship, especially between acquaintances.

What's your opinion? What's your opinion?

Alt: What are your thoughts?