R.I.P. H.M.S Thunderchild.

He went back to the past stylistically and mentally.

JACK IS BAAAAAAAAAAAAAAAAAAAAAAAAAAAAACK!!!

They have a style and they stick to it.

Good to know the "Blind" Archers haven't forgotten how to shoot a fuck ton of arrows.

Word

Funk-a-chop?
Turkey Carve?

There are definitely some humans left.
Like Aku's scientists.
And those dudes Jack stole his sick hat, boots and coat from.

Scotsman telling his daughters to cover up in case they get a cold is the realist damn thing in the episode. He's just a good old dad-with-a-machine-gun-leg at heart.

GOOD!

Holy smokes, Holy Sock! You're right!

No wonder Jack was so flippant about his chances escaping the Worm.
Compared to the horrifying nasal atrocity that was the Farting Dragon getting out of this beast must have seemed like a picnic.

"Yarp"

Well spotted. I totally forgot that Sleipnir has a cameo in Samurai Jack.

Back to the past?

Ha!

"FOOOOOOOLISH TELECOMS COMPANY PROVIDES AKU WITH UNNNNSPEAKABLY POOR CUSTOMER SERVICE!!!"

Don't let age or propriety stop you, Proto Man!

I think you are exactly right.
Anyone who watched af few episodes knew the formula of old Samurai Jack:

If there is one eternal mystery regarding Samurai Jack it's why he even bothers to aquire new clothes between fights.