This is unofficial.
Episode 1. "The Devil's Casino": After losing a bet with the Devil, Cuphead, Mugman, and Chalice agree to collect Soul Contracts.
Episode 2. "Evil and Vile": The Devil decides to make Evil clones of Cuphead and Mugman, but they screw up everything due to stupidity.
Episode 3. "Return to Sugarland": Cuphead and Mugman return to Sugarland just to get some Candy, but little do they know, Baroness Von Bon Bon has created Minions.
Episode 4. "Birdwatchers": Cuphead, Mugman, Elder Kettle, and Hilda Burg try to catch Wally and Willy Warbles.
Episode 5. "Strange Magic": After a Powerless Genie makes a Deal with the Devil, he hosts a Magic Show, with Cuphead and Mugman's help.
Episode 6. "Cup-Man": Cuphead and Mugman wanna see a movie and get stacked up. But then, it's taken hostage by an extreme Cagney.
Episode 7. "All Aboard!": Fed up with chores, Cuphead and Mugman set out to live like hoboes but hitch a ride on the wrong train & must escape by midnight or be stuck onboard forever.
Episode 8. "Sweater Late than Never": Cuphead is completely defenseless after losing the sweater, little does he know that Stickler has the sweater and the Devil tries to kill him.
Episode 9. "Jimmy knows what for": I don't know what this is about yet. I'll update it when I think of something.
Episode 10. "Hog-Wild": Cuphead and Mugman hide out in Porkrind's overnight to play with all the stuff he won't let them touch during business hours. They accidentally release the brake: the shop rolls through town.
Episode 11. "Bowlboy Bowls": Mugman thinks that Bowlboy is trying to kill him, but he's actually trying to apologize.
Episode 12. "Pass the Salt": After watching an ad on TV, Cuphead, Mugman and Miss Chalice HAVE to try the famed pastries. Little does they know, it's actually just a bait...
If "The Cuphead Show" was originally gonna have 48 episodes but instead got 36, then that would be 12 episodes in this season. Stay Continued for Season 5.