India's Best Dancer - Season 4 takes viewers through Bollywood’s eras, featuring performances honoring the industry's evolution. Anurag Basu joins Karisma Kapoor, Geeta Kapur, and Terence Lewis as judges. Contestant Nikhil Patnayak's tribute to Raj Kapoor moves Karisma. The episode celebrates Bollywood's distinct styles, music, and choreography, reflecting decades of cinematic history.