Ep 8. Spoiler Alert

Ted, Robin, Marshall, and Lily are having dinner together when Marshall and Lily begin to finish each other's sentences and complete each other's thoughts. Ted and Robin start to notice the couple's uncanny ability to do so, and begin to feel left out of their relationship. Meanwhile, Barney arrives and starts to share tips on how to score with women. However, his tips are the complete opposite of what Marshall and Lily have been doing in their relationship.

As the night goes on, the group's relationship quirks start to become exposed. Ted is revealed to have a secret tattoo, Robin's past relationship with a celebrity is revealed, and Barney's OCD tendencies are revealed. The group starts to pick on each other's quirks until they start to argue. Marshall reprimands them for their behavior, but it doesn't stop them from continuing to spoil each other's quirks. It isn't until they realize that they're spoiling their own quirks that the group comes to terms with their behavior and make amends with each other.

Throughout the episode, the group is seen working on their individual quirks. Ted starts to accept his tattoo and sees it as a piece of his past that he doesn't need to hide. Robin confronts her past relationship with a celebrity and learns to own it instead of hiding it. Barney learns to embrace his OCD tendencies and starts to use them to his advantage. And Marshall and Lily continue to strengthen their relationship by finding new ways to complete each other's thoughts and sentences.

The overall theme of the episode is learning to accept each other's flaws and quirks, and realizing that these quirks are what make us unique and special. The episode also touches on the importance of communication and the dangers of spoiling someone's secrets without their consent.

The episode ends with the group huddled together on the couch, sharing laughs and stories. They've all come to accept each other's quirks, and have learned to appreciate each other for who they are. As the camera pans out of the apartment, we see a sign on the door that reads "House of Quirks." It's a fitting sign for a group of friends who have learned to embrace their quirks and celebrate their individuality.

Overall, "Spoiler Alert" is a heartwarming episode that showcases the importance of accepting each other's quirks and finding humor in our flaws. The episode also adds depth to each character, showing us new sides to them that we haven't seen before. It's a reminder that no one is perfect, and that our quirks and idiosyncrasies are what make us unique and special.