Mikel Arteta's mission to the stars appears to have developed what Elon Musk's SpaceX might call a rapid unscheduled disassembly.
Arsenal were a goal down in 25 seconds against rock-bottom Southampton, two down inside 14 minutes when Theo Walcott returned to haunt them, and firmly in the grip of some kind of nervous meltdown.
Gabriel Martinelli pulled a goal back before Duje Caleta-Car damaged their hopes with a third for Saints, with a header from a corner, before late goals by Martin Odegaard and Bukayo Saka hauled Arsenal level.
Leandro Trossard clipped the bar in stoppage time and James Ward-Prowse produced a fabulous late block to prevent a winner from Reiss Nelson as the visitors hung on for a point in a thrilling finish.