Khloé and Kim get into an argument, and Kim disinvites Khloé to the wedding. Kim thinks that Khloé is taking it too seriously, then Kim receives a surprise from Khloé…

Kylie celebrates her graduation. Kim has troubles dealing with her pregnancy.

Chad takes Chanel to his family home for Thanksgiving, where she meets his brothers, Brad and Thad, as well as his parents. However, an uninvited guest throws the holiday into…

Alex teaches Texas hold ’em to Joe. The problem is that she makes up rules so he wins all the time. Thinking that he can play the game he accepts…

Robbie is ecstatic when his long-lost father (guest-star Alan Thicke) who is a dead-beat dad appears out of the blue. Although, Eric and Annie distrust the dead-beat dad’s motives. He…

Stan is fired from the CIA in a round of budget cuts, but since his 20 years of work experience are classified and hidden from his “permanent record”, the only…

It’s a full house for game night when Steve and Matt bring uninvited guests. Jackson decides to join the football team.

Barney uncovers the lost episode of Robin’s “Underneath the Tunes” as Robin Sparkles. Meanwhile, Marshall and Lily are concerned that Ted’s new girlfriend is a stalker.

Robin is dismayed when Barney wants to have their rehearsal dinner at a laser tag arena; Ted aggravates Lily by not following through with a promise.

Lily comes up with a perfect plan to break up the relationship between Barney and Robin when they have a rough patch, but she needs help from Robin’s famous friend,…

Barney’s discovery of a Canadian kids show called Space Teens, that Robin appeared on as Robin Sparkles, leads the gang to get her to reach out to her co-star, Jessica…

Robin’s musical past emerges again as the group learns of someone named Simon from Robin’s past. Barney searches for more Robin Sparkles memorabilia.

As their paths cross and their life stories intertwine in curious ways, we find that several of them share the same birthday and so much more than anyone would expect.