Sigler and Iler compete on "The $100,000 Pyramid."

Jamie-Lynn Sigler and Robert Iler, who played siblings on "The Sopranos," are set to compete in a new episode of "The $100,000 Pyramid." The episode will air on March 23. In a sneak peek, the two share a friendly rivalry as they are joined by their game partners. Sigler, 43, expressed her excitement about returning to the show, saying, "I am so happy to be back." Host Michael Strahan noted the special dynamic between her and Iler, 40, calling it "big sister energy." Sigler confirmed they still share that bond and enjoy spending holidays together. Iler reminisced about their time filming "The Sopranos." He shared a funny story about their first Emmy Awards where they were picked up from New Jersey in a transit bus while other stars arrived in limousines. The audience laughed at his recollection. Their relationship off-screen mirrors their on-screen bond, with Sigler referring to Iler as her best friend and "Uncle Rob" to her two sons. She praised their close connection, stating they support each other like family and have maintained their friendship since the show's end. Sigler highlighted the lasting friendships among the cast, emphasizing that they have been there for each other during tough times as well as celebrations. The episode of "The $100,000 Pyramid" featuring Sigler and Iler will air on ABC at 10 p.m. ET.