Well, comrades. My All-Star continuity for the fourth season has moved on, and is currently running at 52 episodes.
For this moment, this fourth season would look like:
New Friends (two-part episode and begining of the third season) (introductory episode to Stargirl, Miss Martian, Parasite and Martian Manhunter)
Under the Red X (introductory episode to Jason Todd/Red X) *(created by @Trimetwes Fan1003)*
From Arrow to Magic (introductory episode to Artemis Crock) *(created by @Mefire203)*
Bat is Target (introductory episode to Deadshot) (beginning of the Task Force X arc)
The Power of Enemyship *(created by @Mefire203)*
The Original Batgirl (introductory episode to Flamebird and Firefly) *(created by @Mefire203)*
Empty Stowaways *(created by @Mefire203)*
Old Amazon, New Amazon (introductory episode to Artemis of Bana-Mighdall) *(created by @Mefire203)*
Respect The Elderly (introductory episode to Mad Mod) *(created by @Trimetwes Fan1003)*
Ice Brats (introductory episode to Captain Cold and Golden Glider) *(created by @Mefire203)*
Three Teams' A Crowd (two-part introductory episode to Multiplex)
Friend vs Foe (introductory episode to Yolanda Montez/Wildcat) *(created by @Mefire203)*
The Jester and the Prince Clown *(created by @Trimetwes Fan1003)*
Frosty Roommate (episode focused on Zatanna, with Killer Frost as villain) *(created by @Mefire203)*
The Burrito Bandit (episode focused on Batgirl and return for Shane O'Shaughnessy) *(created by @Mefire203)*
Supergirl Lantern (episode focused on Supergirl, and introductory for Atrocitus and the Red Lanterns)
School Alone (another episode focused on Batgirl) *(created by @Mefire203)*
Miss Zeul's Bee Maid (episode focused on Bumblebee, with Killer Frost as villain)
DC Super Villain Boys (two-part introductory episode for Reverse-Flash, Doctor Light and Amon Sur) *(created by @Mefire203)*
The Rocket Baron (introductory episode to Roxy Rocket) *(created by @Mefire203)*
Faster Than a Speeding Boomerang (introductory episode to Captain Boomerang)
The Batwoman (introductory episode to Kate Kane/Batwoman)
Employees for a Day (episode focused to Diana, Kara and Harleen)
A Sticky Zit-uation (episode focused to Zatanna)
Honey, I Shrunk My Friends (episode focused to Bumblebee and the Super Hero Girls)
Love of Lovebirds (episode focused on Hawkman and Hawkgirl, with Hath-Set as villain)
Gentleman's Haunting *(created by @Trimetwes Fan1003)*
Avatars of the Green (two-part introductory episode for Floronic Man) *(created by @Trimetwes Fan1003)*
Fire, Ice, Thunder (introductory episode for Fire and Ice, with Livewire as villain) *(created by @Mefire203)*
Little Big Aqualad (episode focused on Aqualad and Supergirl, with Toyman as villain)
The Cat in the Bat (episode focused on Catwoman, return for Batman and Kitten Walker, and introductory for Drury Walker/Killer Moth)
Shadow Warriors (introductory episode for Nightshade and Shadow Thief)
Kill Green With Kindness (episode focused on the Green Lanterns, Hal and Jessica, and Star Sapphire) *(created by @Mefire203)*
Ms. Chaplin (another episode focused on Batgirl, and return for Mr. Chapin) *(created by @Mefire203)*
One for Sorrow (episode focused on Wonder Woman and Black Canary, with Magpie as villain)
Riddles for Beginners (episode focused on Supergirl, Bumblebee and Miss Martian, with Riddler as villain)
How To Get Rid Of A Amazon (episode focused on Wonder Woman, with Cheetah and Giganta as the villains) *(created by @Mefire203)*
Beware of Ex-Plat-sion (episode focused on Stargirl and Firestorm, with Plastique as villain)
The Arrow and the Canary (episode focused on Green Arrow and Black Canary, with Cupid as villain)
Found my Soulmate (another episode focused on Zatanna, and introductory for Harper Row/Bluebird)
Clowns and Antiheroes (episode focused on Harley Quinn and Red X, with Punchline as villain) *(created by @Trimetwes Fan1003)*
Frosting (episode focused on The Flash, Bumblebee and Zatanna, with Killer Frost as villain)
Kings of the Ocean (another episode focused on Aqualad and return for King Shark, with Black Manta as villain)
Enter the Outsiders (another episode focused on Batgirl and introductory for Black Lightning, the Outsiders and the Masters of Disaster)
Taste the Blade of Katana (episode focused on Katana and introductory for Dragon King and Tsukuri)
Task Force X (introductory episode for Task Force X and full appearance for Amanda Waller and ARGUS)
There are 46 title episodes listed here, but since some of them are two-part episodes, there are 52 in total. As in the third season, this fourth season consists of 78 episodes, so this together with the three seasons together give a total of 234 episodes.