Nightrogen
[At a sleepover in the Flynn-Fletcher's backyard]
Baljeet: What happens to nitrogen when the sun rises? It becomes DAYtrogen.
Buford: I'm going to bed.
Phineas: Good nitrogen.
Isabella: Sleep tightrogen.
Ferb: Don't let the bugs bitrogen.

seen from Germany

seen from Germany
seen from Portugal

seen from Malaysia
seen from Algeria
seen from Spain
seen from Yemen

seen from Netherlands

seen from Latvia
seen from China

seen from Romania
seen from Yemen

seen from Netherlands
seen from China
seen from United States
seen from United States

seen from Russia
seen from United States
seen from Brazil
seen from United States
Nightrogen
[At a sleepover in the Flynn-Fletcher's backyard]
Baljeet: What happens to nitrogen when the sun rises? It becomes DAYtrogen.
Buford: I'm going to bed.
Phineas: Good nitrogen.
Isabella: Sleep tightrogen.
Ferb: Don't let the bugs bitrogen.