The new Baby Corp CEO gives Boss Baby a big assignment. Meanwhile, Tim's feisty grandmother moves in, turning the brothers into temporary roommates.

After declaring war on old people, Boss Baby focuses the field team's efforts on Frederic Estes. Tim starts his own big-kid business.

When Baby Corp's lead scientist accidentally turns the stinkless serum into a stink enhancer, Boss Baby needs Tim's help to freshen things up.

An innocent trip to the library for toddler story hour sparks a turf war between babydom and Frederic Estes's Consortium of Ancients.

On a dark and stormy night, Tim and Boss Baby set traps for two wildly different threats: a mythical monster and a Puppy Co. agent named Bug the Pug.

After being framed for the Puppy Co. leak, a fugitive Boss Baby goes on the lam and comes face to face with an old corporate rival.

When Frederic Estes and his friends monopolize Marisol's talents for elder care, Boss Baby and Tim team up to get their babysitter back.

The Consortium of Ancients floods the market with an irresistibly fluffy new toy that has babies going gaga -- a little too gaga.

Gigi's potty training strategy has a diaperless Boss Baby hanging out in the buff. But a horrified Tim can't handle all the nakey time.

With the Templeton men away on a "Dudes Weekend," Staci and Jimbo join forces to return a blankie to its rightful owner.

Tim's parents enroll him in piano lessons for the rest of the summer. But Boss Baby suspects Tim's "lessons" are part of a larger Frederic Estes plot.

With Baby Corp's stinkless serum in enemy hands, Turtleneck Superstar CEO Baby issues a challenge to deliver a new formula by 5 p.m.