[s9e2] The Separation Oscillation Guide
Dealing with the breakup, Sheldon attempts to hurt Amy through his web series, "Fun with Flags". The Big Bang Theory recap: The Separation Oscillation
Penny admits she fears Leonard will leave her for someone smarter. They eventually agree to stop worrying and focus on their new marriage. Sheldon’s Retaliation [S9E2] The Separation Oscillation
Mandy dismisses his concerns, leading Leonard to realize he subconsciously tried to sabotage his marriage because he feels he doesn't deserve Penny. Dealing with the breakup, Sheldon attempts to hurt