SPOILERS: What fresh hell is this? - S9

[Tuesday Pajamas]

all sounds like canon-heaven so therefore very plausible.

SO Let's get crazy with a cliffhanger...

9.24 The Relative Combination

Penny invites Leonard’s parents over for their first year anniversary and everything goes wrong when Leonard’s father turns up with Mary Cooper as his date. Mary asks Sheldon to return his grandmothers ring during a very strained meal. Amy is shocked and annoyed and tells Sheldon to refuse. But he’s too busy freaking out over Leonard becoming his step brother. Amy gets furious as she was hoping for a proposal and leaves.

Penny tries to calm everyone down. But Beverley and Mary start to bicker when Beverley starts talking about Leonard’s father cheating. Leonard tries to intervene and Beverley makes a comment about how he will be a cheater like his father. Everyone gets into an argument. After a while they realise that Penny is gone. She’s packed a bag and left…