Air date: September 18th, 2018 (UK)
Thomas and Rajiv both take a detour through the Indian jungle in order to see some tigers. But when Thomas spots that Rajiv's passengers have an empty tiger cage with them, he sets out with the help of Rajiv and Shankar to find the tigers and make sure that none of them are captured.
- Alliterative Title: Tiger Trouble.
- An Aesop: It's important to protect endangered species. The plot may also be an attempt to highlight the subject of animal cruelty, as seen with role of the episodes resident villainous tiger hunter duo.
- Bread, Eggs, Milk, Squick: Thomas mentions how passengers on the Indian Railway see beautiful scenery, ancient ruins, and, to Thomas' shock, tigers.
- Call-Back: In the And Knowing Is Half the Battle segment, Thomas recalls the events of "Luke's New Friend".
- Creator Cameo: One of the hunters is voiced by Ian McCue, show producer and the primary creator of the Big World! Big Adventures! Series.
- Egomaniac Hunter: The two tiger hunters featured in this episode, who pose as tiger fans and not hunters.
- Fat and Skinny: The tiger hunters.
- Going in Circles: As part of the plan, Rajiv goes in circles to distract the hunters.
- Hidden Depths: Noor Jehan is revealed to take passengers on tiger safaris in order to raise awareness for them.
- Shankar is revealed to be concerned about the endangerment of tigers. Rajiv is visibly annoyed by this.
- Imagine Spot: Thomas has one where he has a tiger-like livery.
- Iris Out: At the end of the episode.
- Oh, Crap!: This the the hunters' reaction when they get caught by the authorities.
- Soapbox Sadie: In a rare male example, Shankar, who is implied to have gone on several rants on the endangerment of tigers and how tourists are disturbing their homes.
- Unwitting Instigator of Doom: Rajiv, who, at first, unknowingly takes some tiger hunters on a safari.