Did Sheldon and Amy get on like a house on fire?
That was a key question on The Big Bang Theory Season 10 Episode 4 when Amy's apartment flooded, forcing her to move in with Sheldon.
Meanwhile on this hit comedy series, Howard and Bernadette were less than impressed when it emerged that Koothrappali knew the gender of their baby before they did.
How did he make it up to them?
Use the video above to watch The Big Bang Theory online to get up to date with the latest developments.
Paul Dailly is a staff writer for TV Fanatic. Follow him on Twitter.