He is one of the co-creators of the music quiz show, RocKwiz and co-hosts The Friday Revue with Jacinta Parsons on ABC Radio Melbourne.

[3] As Bartholomeuz, Nankervis also appeared weekly on Paul Hester's ABCTV series Hessie's Shed (1998–99) and in Bob Franklin's sitcom Introducing Gary Petty (2000).

RocKwiz is filmed in front of a live audience in the Gershwin Room at St Kilda's Esplanade Hotel, however the show often tours around Australia and festivals.

Nankervis is responsible for a thorough pre-show quiz which ends with him selecting the members who will appear on the team panels alongside the night's celebrity.

[3] Nankervis continues to work with his partner Sue Thomson and has co-produced some of her documentaries, ABC's Boys and Balls starring Roy and HG, Ted Whitten and Ron Barassi (1994), Network Ten's Class Clowns for the Melbourne International Comedy Festival and Tempest at the Drop In (2015).