![If my father's any guide,
around 50,
If my father's any guide,
around 50,](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
If my father's any GUIDE,
around 50,
The Big Bang Theory Season 12, Episode 5
![Which is also called
The Hitchhiker's Guide to the Galaxy.
Which is also called
The Hitchhiker's Guide to the Galaxy.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Which is also called
The Hitchhiker's Guide to the Galaxy.
The Big Bang Theory Season 8, Episode 8
![Hitchhiker's Guide
to the Galaxy.
Hitchhiker's Guide
to the Galaxy.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Hitchhiker's Guide
to the Galaxy.
The Big Bang Theory Season 7, Episode 6
![and guide him through the dark places
that lie ahead.
and guide him through the dark places
that lie ahead.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
and GUIDE him through the dark places
that lie ahead.
Game of Thrones Season 4, Episode 5
![Apparently, he's 12-down in
the TV Guide crossword puzzle.
Apparently, he's 12-down in
the TV Guide crossword puzzle.](data:image/png;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs=)
Apparently, he's 12-down in
the TV Guide crossword puzzle.
The Big Bang Theory Season 7, Episode 19