Shah Rukh Khan and Katrina Kaif are in complete promotional mode, with the release of ‘Zero’ just around the corner. Salman Khan will be joined by SRK and Katrina on the sets of his reality show ‘Bigg Boss’ season 12. The episode will be aired over the weekend. Salman and Shah Rukh promise some banter and a brotherly feeling. Katrina was reportedly not a part of the promotional gig but she finally shot for her scenes in the entertaining episode. Directed by Aanand L Rai, ‘Zero’ features Shah Rukh Khan in a dwarf avatar, as he romances Anushka Sharma and Katrina Kaif.