It's the year of 2024, Gumball and Penny had been a couple since the episode "The Shell", and its time for them to tie the knot and get married. However, a foe of Gumball, Rob is planning to crash the wedding. Could Gumball and Penny get married and live happily ever after, or will Rob separate both Gumball and Penny away? Note: Not only there will be Gumball characters, but there will be Super Mario and Pokémon characters.