Jeff Daniels was a guest on Conan the other night, and when talk turned to Dumb & Dumber, the actor probably thought nothing of it.

However, when his co-star Jim Carrey decided to crash his interview - and then take his chair, no less - there was no getting away from one of his most famous roles.

The goofy pair spoke about their friendship over the years and the fact that they can't really meet up in public - as well as reminiscing about the films that they made together as Harry and Lloyd.

Watch it below: