Pilot season is gaining steam as CBS, Fox and NBC greenlight five projects while buzz is building on more pickups expected this week at each of the Big Four nets and CW.

CBS gave the nod to an untitled single-camera laffer toplined by Jim Gaffigan from Sony Pictures TV.

Gaffigan penned the half-hour with Peter Tolan. The pair are exec producers along with Michael Wimer, of Tolan’s Sony-based Fedora Entertainment, and Alex Murray.

Project is based on Gaffigan’s life as a happily married but harried father of five. A veteran standup, Gaffigan starred in a sitcom, “Welcome to New York,” that had a short run in the 2000-01 season.

Fox gave the formal go-ahead to an untitled comedy from “Parks and Recreation’s” Mike Schur and Dan Goor to star Andy Samberg.

The Universal TV comedy revolves around a diverse group of detectives at a New York precinct. It landed at Fox with a hefty commitment last summer, given the interest among multiple networks in developing with “Parks” creator-exec producer Schur. Goor is also an exec producer on “Parks.”

Schur, Goor and 3 Arts Entertainment’s David Miner are exec producers.

NBC ordered a drama and two comedies, including one from “Parenthood” boss Jason Katims. Drama “I am Victor,” from “West Wing” scribe Mark Goffman and Universal TV, revolves around a high-powered divorce attorney with a “unique” view of relationships. It’s based on the upcoming novel of the same name by Jo Nesbo.

Nesbo will exec produce with Katie Jacobs, Meghan Lyvers and Daniel Rappaport.

The Peacock has greenlit Katims’ take on Nick Hornby’s bestseller “About a Boy.” Katims wrote the script and is exec producing for Universal TV.

NBC’s other comedy, “Joe, Joe and Jane,” is a multi-camera project revolving around a children’s book author who is torn between his needy wife and his best friend. Project was penned by Joe Port and Joe Wiseman for 20th Century Fox TV.