Spoiler alert: it was Louis C.K.

It seems like the writers have constantly been throwing in clues regarding the mother in case their current season was the last one, but then they totally disregard them later when they're renewed. Kind of like the "bump girl" from the St. Patrick's Day episode — I wouldn't be surprised if that was going to be the…

It seems like the writers have constantly been throwing in clues regarding the mother in case their current season was the last one, but then they totally disregard them later when they're renewed. Kind of like the "bump girl" from the St. Patrick's Day episode — I wouldn't be surprised if that was going to be the…

Sorry if this has been brought up already, but what's going on with the opening sequences this season? They started out with sort of an orange filter, got darker and darker (http://imgur.com/a/aJ8zC#0), and this week there was a completely new, pink filter. What the hell is going on?

Sorry if this has been brought up already, but what's going on with the opening sequences this season? They started out with sort of an orange filter, got darker and darker (http://imgur.com/a/aJ8zC#0), and this week there was a completely new, pink filter. What the hell is going on?

I really hope Louis appears on Letterman at some point in the near future to promote something. That would be so hilarious and awkward.

I really hope Louis appears on Letterman at some point in the near future to promote something. That would be so hilarious and awkward.

Well, in the test show he was actually in front of a crowd which was giving him positive feedback. As a stand up comedian, that's where he's comfortable — not sitting in a room with some guy saying "3, 2, 1, funny."

Well, in the test show he was actually in front of a crowd which was giving him positive feedback. As a stand up comedian, that's where he's comfortable — not sitting in a room with some guy saying "3, 2, 1, funny."

Yeah, I saw that this was listed as Episode 13 and was like "shit, that was the season finale?" Thankfully, we have one more. Although admittedly this episode did kind of feel like the finale.

Yeah, I saw that this was listed as Episode 13 and was like "shit, that was the season finale?" Thankfully, we have one more. Although admittedly this episode did kind of feel like the finale.

But, this IS Season 5. Are you saying he was played by Jerry O'Connell tonight and I didn't even notice? Man, I must be more tired than I thought.

But, this IS Season 5. Are you saying he was played by Jerry O'Connell tonight and I didn't even notice? Man, I must be more tired than I thought.

I saw it more of her being upset and frustrated realizing how small and insignificant her small town is, and how insignificant her job is compared to those of Boxer and Snowe. I don't think she didn't enjoy that moment just because she was jealous of Ben.

I saw it more of her being upset and frustrated realizing how small and insignificant her small town is, and how insignificant her job is compared to those of Boxer and Snowe. I don't think she didn't enjoy that moment just because she was jealous of Ben.

God, Andy was killing it tonight. "Is this the train from Back to the Future 3" had me laughing for way too long.

God, Andy was killing it tonight. "Is this the train from Back to the Future 3" had me laughing for way too long.

So, do these reunion type videos take place in an alternate universe where presidents serve for five terms or something?

So, do these reunion type videos take place in an alternate universe where presidents serve for five terms or something?

I thought it was pretty damn good.