Ep 4. The Explosion Implosion

Sheldon and Amy are enjoying their engagement, but they have an unexpected conversation with Amy’s parents about the wedding venue which leads to Sheldon’s attempt at a new business venture. Meanwhile, Howard and Bernadette’s baby (Halley) finally says her first word, but it’s not what they expected it to be. Raj is struggling to find a date for the wedding and decides to use a dating app for help, but things don’t go as planned when he matches with both his ex-girlfriend and a girl he ghosted. Leonard and Penny start to feel left out of the wedding planning process and try to figure out why. Overall, the episode explores the different dynamics between the various couples and their personal and professional endeavors.