Quote from Kramer in The Good Samaritan
Kramer: What happened?! Elaine: What? Kramer: I think I hit my head again! Jerry: What is wrong?! Elaine: Hey. Hey, wait a minute! Let me ask you something. Kramer, the last time you hit your head, was Mary Hart on TV? Kramer: Yeah. Elaine: [claps] That is it! Kramer: What? Elaine: That is it! Mary Hart's voice, don't you see? There's something about Mary Hart's voice that's giving you seizures. Just like... Just like... Just like that woman in Albany! Kramer: Mary Hart!