The Odd Couple (1970) Season 2 Episode 12 Surprise, Surprise!

In this episode of The Odd Couple season 2 episode 12 titled "Surprise, Surprise!", Oscar plans a surprise birthday party for Felix, but things don't go as expected. Felix starts to get suspicious of his friends' behavior and begins to fear that they might not have prepared anything for his birthday. Meanwhile, Oscar struggles to keep everything under wraps and plans to surprise Felix with his dream gift—a vintage car. However, he gets sidetracked when he bumps into his ex-wife Gaby, who has a secret she wants to tell him.

Oscar tries to keep Gaby out of his apartment while Felix tries to push his friends and neighbors to throw him a birthday party. When Felix gets wind of Oscar's plans, he becomes even more suspicious and starts to question all of their actions, making it difficult for Oscar to keep the surprise a secret. In addition to that, Oscar's ex-wife keeps pestering him to hear her out, which only adds to his stress levels.

Things come to a head when Felix thinks that no one has prepared anything for his birthday and throws a tantrum, refusing to come out of his room. Oscar tries to calm him down and convince him that they've planned a big surprise for him, but Felix doesn't believe him. Meanwhile, Gaby runs into Simon, Felix's neighbor and confidant, who inadvertently spills the beans about the surprise party.

When Oscar finally gets the vintage car to the surprise party venue, he realizes that it's been stolen. To make things worse, Felix has already found out about the party and isn't pleased with the fact that everyone kept it a secret from him. However, he eventually forgives them and they all have a good time at the party.

As the episode comes to a close, Gaby reveals her secret to Oscar. However, we're left to wonder what the secret actually is and how it will impact Oscar's life.

Overall, this episode of The Odd Couple is a hilarious and heartwarming look at how friendships can be tested when secrets and surprises are involved. It's a must-watch for fans of the show who want to see these beloved characters in action.