10:00AM - "The One with the Race Car Bed" Gunther in his head: "What does Rachel see in this guy? I love Rachel. I wish she was my wife."
10:30AM - "The One with the Giant Poking Device" Gunther dislikes Ross for being Rachel's boyfriend, once bitterly telling him in response to Ross making an order in the coffee shop, "Oh, like you don't already have everything."
11:00AM - "The One with the Tiny T-Shirt" Gunther almost works up the courage to ask Rachel out but is thwarted by her new man. "I dropped a cup."
11:30AM - "The One with Joey's New Girlfriend" Phoebe kisses Gunther, who then apologizes to Rachel for the kiss.
12:00PM - "The One with the Dirty Girl" Rachel finishes her crossword and no one is around for her to hug. Gunther leaps at this opportunity and face plants.
12:30PM - "The One with the Fake Party" Rachel (almost) kisses Gunther, much to his dismay. Gunther tells Emily that Rachel is his girlfriend.
1:00PM - "The One With the Worst Best Man Ever" Chandler announces Gunther as his best man but can't even remember his last name. Gunther thanks Ross for marrying Emily and not Rachel.
1:30PM - "The One With the Ball" Gunther buys Rachel's cat.
2:00PM - "The One With the Halloween Party" Rachel thanks Gunther for getting the extra candy and calls him "sweet" but then crushingly adds "someday you'll make some man very happy."
2:30PM - "The One Where Joey Tells Rachel" Gunther overhears Joey telling Ross about his newfound love for Rachel. After Ross has left, he sneaks up behind Joey and, just like Ross did, screams "Rachel?!"
3:00PM - "The Last One Pt. 1" Gunther confesses his love to Rachel.