Litle recap of some of the details
They kept Max Charles as Sherman from the movie but got someone new for Peabody (Chris Parnell). They decided to make it 2D instead of 3G CGI from the film (they wanted a "hand-drawn look" echoing the original shorts). It is going to be 13 half hour episodes.
Executive producer, Dave Smith : “The New Mr. Peabody and Sherman Show” is inspired by the original shorts and also weaves in elements from the film — they launch the TV variety show because at the end of the movie they’re outed as time travelers, so they decide to capitalize on that. “We loved the straight-up lampooning of historical figures,” Smith said. “We mixed it up a lot, while retaining the comedy of the Jay Ward show.”
For More References Brand Marketing Examples