First, a brief refresher on the plot of Mamma Mia!
Sophie (Amanda Seyfried) is set to marry her boyfriend Sky (Dominic Cooper) when she discovers the diary of her mom Donna (Meryl Streep). Sophie learns that the summer before she was born, her mom slept ("dot dot dot-ed") with three men. And so she decides to secretly invite all three of them to the wedding in the hopes of discovering who her dad is so that he can walk her down the aisle. Naturally, shenanigans ensue.
Now that we got that out of the way, here are 10 reasons why the 2008 ABBA jukebox musical perfectly captures the spirit of Vaccinated Summer.