I'll start with an easy one:
Hateful -> Rudie Can't Fail -> Spanish Bombs
Best 3-song sequences in an album
Christopher Edwards
Ryan Gutierrez
Bloodhail -> big gloom -> hunter
Elijah Sanchez
ghost -> untitled -> two headed boy part 2
Jayden Taylor
Also
Ascension -> jump -> festival
Solid ending to good am
Grayson Rivera
After The Flood > Taphead > New Grass
Jason Wright
>Stardust
>Georgia on My Mind
>Blue Skies
Joshua King
The Wonder -> Hyperstation -> Eliminator Jr
Liam Diaz
Treefingers -> Optimistic -> In Limbo
David Lewis
This
Luis Young
Shock Appeal> Attacking the Beat> Mosquito Crucifixion
Ethan Anderson
I'll do you one better and give you the best 4 song sequence.
I Want Wind To Blow -> The Glow pt. 2 -> The Moon -> Headless Horseman
Jacob Stewart
Hot Love> Speak Now or Forever Hold Your Piece> He's a Whore
Jack Miller
same
Dominic Wood
Venus - Friction - Marquee Moon
John Peterson
War Pigs > Paranoid > Planet Caravan
Oliver Evans
Whole Toxicity album
Jose Bennett
March of the Pigs > Closer > Ruiner
Christopher Sullivan
And Dream of Sheep > Under Ice > Waking the Witch
Matthew Sullivan
Da Mystery of Chessboxin > Wu-Tang Clan Ain't Nuthing ta Fuck Wit > CREAM
Also just the whole album
Daniel Brooks
Rue the Whirl, Roygbiv, Aquarius
Adrian Nelson
No future pt 3
Richard II
A pot in which to piss
Owen Sullivan
but user that's one song
Gabriel Thompson
>When You Sleep
>I Only Said
>Come In Alone