Robert Irwin and Witney Carson chat with ET’s Deidre Behar after Rock n’ Roll Hall of Fame Night on ‘Dancing With the Stars,’ which aired live on ABC and Disney+. The animal conservationist reacts to bringing ‘serious Robert’ to the ballroom tonight and shares how it was his hardest week of rehearsals yet. Plus, Robert shares how the ‘DWTS’ team helped him pull of his Halloween costume with niece Grace. The 21-year-old also shares how he ‘almost died’ after tonight’s group performance.