Well, the Member Berry they were going to kill was pretty banged up and bleeding (when it had been shown they bounce right back from any damage they receive), so maybe Randy was on the verge of discovering their weakness, and the other member Berries decided to finish the job before Randy could discover how to ultimately kill them all.
https://www.fanfiction.net/s/11891397/1/Supernatural-Wayward-Sons

We already saw that it's fairly easy to kill Member Berries. One of the guys brought them to Randy's support group, and Randy asked if he had them, and just smacked his shirt pocket, juice went everywhere, and he said "no".
And then, 2 episodes later, they can't die?
That didn't make much sense, I agree.

Meh, I thought that was kind of stupid. Not really sure where they're going with this.
We already saw that it's fairly easy to kill Member Berries. One of the guys brought them to Randy's support group, and Randy asked if he had them, and just smacked his shirt pocket, juice went everywhere, and he said "no".
And then, 2 episodes later, they can't die?

"We're going to beep kill you"
"Oh, I member!"
My signature is for sale. Reach out to dozens of people a year!

Member when Randy said "even if you lose the election another one will rise up and take your place?".
I think the member berries made Caitlyn Jenner willing to replace Mr Garrison.
Or it made her member when she was Bruce Jenner..

https://media.giphy.com/media/3o7TKUiGleBYmJYUik/giphy.gif
Night At Roxbury ?:D
http://37.media.tumblr.com/c17f1f52a599946e62aefbef2180c934/tumblr_mwqo6j556L1sezoa7o1_400.gif

Okay, I thought maybe I missed something. Maybe it will be explained next episode. Maybe it has something to do with Caitlyn Jenner, I thought her appearance at the end with the martini seemed rather random.

I had the same question. I ran through the episode again and couldn't figure out how or why they went from the torture scene (blowtorch, etc.) to the member-berry in the trunk? Hardly a big deal; but kind of a plot hole.

I loved them dancing in the car to Toto's Africa.

I guess they just needed one bruised and bleeding (leaking its juices) to drop into the glass. No member-berry volunteered, so one was forced into it.

But why were they going to kill that one member berry?
Why
were
they trying to kill that member berry?

He's not fat. He's just got big seeds.
There is NO
One Right Way to Live!

• Daniel Quinn

He's like the Member Berries' version of Cartman.

Oh I Member Tubbs

I like that big fat Member Berry, Tubbs that was accompanying them.

Member berries escaping then drive off
I member!
No blah, blah, blah!

CUTE?!? Really?
When he was blowtorching and "aciding" the one Berry, I loved that it was in excruciating pain. And hated that when he stopped, it recovered in less than a second. I want them all to die horrible, painful deaths for being so goddamn annoying.
Membah the Sand People? I membeh!
Membah the Millennium Falcon? I membeh!
ARRRRGGGGGHHHHHHHH!

Member berries are so cute. I can already see plushies and t shirts of them.
But why were they going to kill that one member berry?
"The real world is for people who can't imagine anything better."

Exactly, Goodfellas. The guy in the trunk was making banging noises so they stop and open the trunk and shoot the hell out of him.

The scene where they pull over and pop the trunk reminds me of Goodfellas

Isnt it spoof of some movie scene?