
SHELDON: You know, I've been thinking
about time TRAVEL again.
The Big Bang Theory Season 1, Episode 4

that can TRAVEL anywhere
in time and space,
The Big Bang Theory Season 5, Episode 14

Okay. I'll confirm the TRAVEL arrangements
in the morning.
The Big Bang Theory Season 6, Episode 24

- Why?
- Safer to TRAVEL, my lord.
Game of Thrones Season 2, Episode 4

Which is a TRAVEL book
within the actual book.
The Big Bang Theory Season 8, Episode 8