Sekunde 6: Chizard tail
These are the little pokemon references I (with help from others!) could find so far:
1. Boy running at the start strikingly resembles Youngster Joey
2. Sekunde 12: Boy runs past a truck with the writings "4 15 96" which was the day Mew was first distributed in Japan. There are some ancient writings on the truck referencing to the Ancient Mew card and these all acknowledge the 'Mew under a truck' rumour
3. Sekunde 15: Location on the tv says "KANTO"
4. Sekunde 15: If you look to the right of the "Breaking", it says "Roadblock on Route 12", referencing to Snorlax blocking the road in the Gen 1 games
5. Sekunde 15: Beside (3), it writes "Crowds flock to see rare fossil discovered at Mount Moon", referencing Dome and Helix fossils
6. Sekunde 15: "Learn to SURF HM03" on a poster below the tv
7. Sekunde 16: "SURF' poster appears again on far left of screen
8. Sekunde 22: Black NIDOKING chess piece
9. Sekunde 29: Football captain's number is "20" relating to Pokemon20
10. Sekunde 33: Blaine's Volcano Badge on the helmets
11. Sekunde 36: The 2 numbers on the backs of 2 of the players make up "1996", the year where Pokemon started in Japan
12. Sekunde 37: "LIKE NO ONE EVER WAS" Lyrics from the original Pokemon theme song
13. Sekunde 40: Moomoo Milk advertisement on the bottom left of screen
14. Sekunde 40: Rare Candy on a pink background on the right of the screen