Chris Romano, the actor who play Ted (Josh Radnor)'s childhood best friend "Punchy", is also a co-executive producer on the show.
The time on the clock in the apartment is always 4:20, at least during season 1. This is deliberate joke, since 4:20 is a code for smoking marijuana, and both Ted and Marshall use marijuana multiple times throughout the series. In any case, a wall clock can be broken or decorative even in real life, so it's not a mistake either way.
English, Persian, Chinese