This year is the 25th anniversary of “SpongeBob SquarePants” and Wendy’s is celebrating with new menu items inspired by the series. According to @mnmtwinz, an Instagram account that shares food news, the fast food chain is launching a Pineapple Under the Sea Frosty starting October 8th. The limited time frozen treat will put a tropical twist on the classic vanilla Frosty by adding a sweet pineapple mango puree. Wendy’s is also reportedly introducing a “Krabby Patty Kollab” meal, which includes a Krabby Patty burger, fries and the Pineapple Under the Sea Frosty.