In a video posted to 2DayFM Breakfast's Facebook page, Grant reveals he's been cast in a new Channel 10 television series. To prepare him for his new role, co-hosts Ed and Em ask Grant to role play.
Playing a police officer, Grant needs to determine what crimes Ed and Em's characters committed.
In his policeman persona, Grant finishes the skit when sultry music comes on and he tells: 'I've got a concealed weapon.'
Shockingly, the radio host begins to strip down in front of his radio co-hosts.
Grant rips off his police uniform and parades around the studio.
Wife Cheryl is spotted in the background in a fit of laughter.