When Ted's talking about saying "I Love You" after sex, we see a flashback to the previous evening, him rolling over and saying it, then it cuts. He then talks about making it worse - we see the same scene again, this time not cutting afterwards, except it's not the same scene. The first time the duvet was down to his date's waist, the second time it stays up by her chest.
When Phil comes over to Linda's apartment, she said she watched 4 back-to-back episodes of "Alf." Show creator, Victor Fresco, wrote 4 episodes for "Alf."