“50 years of Roland Kaiser”: ZDF reveals why the show with Giovanni Zarrella was recorded months ago. ZDF: "This special for Roland Kaiser's 50th stage anniversary had to be pre-recorded on December 15th and 16th for planning reasons" ZDF made an exception for the recorded anniversary show with Roland Kaiser: “The subsequent 'Giovanni Zarrellas Show' later in the spring will be broadcast live as usual,” the broadcaster further assured.