Five middle-aged friends set out to relive a beer-fueled odyssey from their youth, and end up in an epic battle to save humankind. Simon Pegg and Nick Frost reteam with director Edgar Wright (“Shaun of the Dead,” “Hot Fuzz”) in this wildly entertaining thrill ride. Twenty years after their first epic pub crawl attempt, the “five musketeers” reunite in their home town to complete the ultimate challenge — one night, five friends, twelve bars — a boozy quest on which only the strongest will survive. But after a bizarre series of encounters with the out-of-this-world locals, they soon realize that reaching their final pub, The World’s End, may be the least of their troubles. They’re having the time of their lives, ready to take on the world … but tonight they may have to save it. This is the third and final film in Wright’s “The Ultimate Three Flavors Cornetto Trilogy,” which also features hits “Shaun of the Dead” and “Hot Fuzz,” and which is being released to Blu-ray this week. Extras: “Completing the Golden Mile – The Making of The World’s End,” commentary with Screenwriters Edgar Wright and Simon Pegg. Blu-ray adds: Cast commentary with stars Simon Pegg, Nick Frost and Paddy Considine; technical commentary with director Edgar Wright and director of photography Bill Pope; “Filling in the Blanks: The Stunts and FX of The World’s End”; hair and make-up tests; rehearsal footage; stunt tapes; VFX breakdown; “There’s Only One Gary King – osymyso’s Inibri-8 Megamix” – A mash-up of Gary King’s (Pegg) best moments; “The Man Who Would Be (Gary) King”; “Signs & Omens,” a film clip montage highlighting all the hidden clues and hints throughout the film; “Edgar & Simon’s Flip Chart” in which writers Edgar Wright and Simon Pegg bring back the trusty flip chart to reveal their step-by-step process of creating the story; deleted Scene, outtakes, alternate Edits and more. Vitals: Director: Edgar Wright. Stars: Simon Pegg, Nick Frost, Paddy Considine, Martin Freeman, Eddie Marsan, Rosamund Pike. 2013, CC, MPAA rating: R, 109 min., Comedy, Box office gross: $25.223 million, Universal.