Pet the Dog: The loops were because of Cupid. He couldn't undo Hermia's death, but because the love was so genuine, he gave Neron a wish. Neron wished that tomorrow would never come, so Cupid granted that and said the loops would only end once a hero fixed everything.
Race Against the Clock: Hermia takes the poison right after the rooster crows and her house is too far away from the barn Xena's staying in to simply run to.
Take That!: Cupid said a hero would be fixing this mess, but he didn't tell Neron which hero that would be. This leads to a knock on the franchise's competition at the time.
"Well, frankly, I-I was expecting Hercules, or at least Sinbad."
Take That, Scrappy!: Possibly invoked. Frustrated at Joxer's neverending stream of "rise and shine!" every morning, a fed-up Xena eventually kills him. Of course, thanks to the "Groundhog Day" Loop it doesn't stick, but the scene seems to be a Shout-Out to the fans who hated Joxer.
Wrong Genre Savvy: Zig-zagged. Because she doesn't know why the loops are occurring, Xena keeps trying to solve a particular problem she stumbles into—only to wake up to that damn rooster. In the end, she learns about Hermia and realizes she has to solve all of the problems because they're interconnected.