Core Insights - Red Robin Gourmet Burgers, Inc. is launching a Halloween-themed menu featuring the Mega Monster Burger and Mad Scientist Margarita from September 29 to November 2, 2025 [1][2][4] Menu Offerings - The Mega Monster Burger includes three beef patties, six slices of cheese, and various toppings, served on a black-and-white sesame seed bun with a choice of bottomless sides [2][4] - The Mad Scientist Margarita, priced at $7.99, combines blanco tequila, agave, and lime juice, with a tableside addition of grenadine [3][4] - A new bottomless Candied Orange Fizzy Soda is also introduced, appealing to younger guests [4] Promotions and Discounts - Red Robin is offering a free sundae for kids in costume from October 29 to November 1 with the purchase of a kids' meal [7] - A 20% discount on to-go orders is available from October 30 to November 1 with a minimum purchase of $30 using the code 20SPOOKY [7] - Catering orders can receive a 15% discount from October 31 to November 2 with the code HALLOWEEN [7] Company Background - Red Robin Gourmet Burgers, Inc. operates as a casual dining restaurant chain founded in 1969, known for its variety of burgers and a playful dining atmosphere [6]