Ep 13.

The Boss Baby: Back in Business follows the adventures of a baby named Boss Baby, who works at Baby Corp as part of the top-secret infant management team. In season 1 episode 13, titled "Into the Belly of the Den of the House of the Nest of Cats," Boss Baby and his team have to infiltrate a hidden lair filled with felines to retrieve a stolen formula.

The episode begins with Boss Baby and his team receiving a call from Baby Corp alerting them of a theft. The formula, which contains secrets vital for Baby Corp's work, has been stolen from the lab. The trail leads to a secret location, known only as the "Den of the House of the Nest of Cats." It's a place where cats are rumored to hang out and hoard objects that they claim as their own, including the stolen formula.

Since the Den is in a heavily guarded area, Boss Baby and his team have to find a discreet way to enter the lair. They come up with a brilliant plan: they will disguise themselves as cats. They use a machine that can change their appearance and behavior, allowing them to blend in with the feline community.

As they enter the Den, Boss Baby and his team quickly notice that the place is not only guarded by big, intimidating cats, but it's also filled with hundreds of feline traps and obstacles. Boss Baby realizes that this is going to be much harder than they thought, but he's determined to retrieve the formula and complete the mission.

As they move forward, things take a turn for the worse. The team's disguises start to malfunction, and they're slowly starting to reveal their true identities. Boss Baby and his team try their best to stay focused and not blow their cover, but it's getting more difficult by the minute.

The team encounters many obstacles, including a giant cat guarding the formula. The cat is infamous for his vicious nature and has defeated every intruder who has tried to steal from the Den in the past. However, Boss Baby is not easily intimidated, and he comes up with a plan to distract the cat and get the formula back.

The team battles fiercely against various feline traps, tricks, and obstacles. Each time they overcome an obstacle, another one seems to pop up. After many close calls and thrilling dangers, Boss Baby and his team find themselves in the heart of the Den, face to face with the stolen formula.

But they're not out of the woods yet. Just as they're about to seize the formula, they're ambushed by the mastermind behind the heist: a mysterious female cat who seems to have an unbreakable control over the other felines. She's not happy about Boss Baby and his team's intrusions and is determined to make them pay.

Boss Baby and his team must now face the toughest enemy of all: a strategic and highly intelligent cat. The team's skills and courage will be put to the test as they try to outsmart and defeat the villainous feline. Will they be able to retrieve the formula and escape the Den's claws unscathed?

"Into the Belly of the Den of the House of the Nest of Cats" is a thrilling, action-packed episode that showcases Boss Baby's tenacity and ingenuity. With its compelling story, engaging characters, and hilarious humor, it's sure to keep audiences on the edge of their seats.