Summary
“The Tunnel” focuses on an extremely irritating and cliched gang of kids, that will have you rooting for the aliens to succeed. These unlikable characters are once again handed embarrassing and corny dialogue to repeat. The episode is marginally saved however by some impressive tension building as the aliens reawaken.
We recap the Apple TV+ series Invasion Season 2 Episode 4, “The Tunnel,” which contains significant spoilers.
As the episode title suggests, chapter four, “The Tunnel,” focuses on Jamila (India Brown) and her friends’ journey through the Channel Tunnel, which connects England and France.
Their mission to find Caspar (Billy Barratt) is interrupted by more alien attackers though. Meanwhile, a doctor in Paris refuses to give up on Caspar, who is still in a coma.
Invasion Season 2 Episode 4 Recap
The installment begins with the kids driving through Kent in Monty’s father’s Jag. The kids bully Monty for his embarrassing music choices before stopping at the border.
The entrance to the tunnel is blocked. The tunnel has been closed off for some time now. The military warns Jamila that the tunnel is dangerous; they must be patient and await further instructions.
READ: Invasion Season 2 Episode 2 Recap – where is Caspar?
Jamila can’t wait though; she rallies the troops, and they search for another route into the tunnel. The gang set off on foot, breaking into the tunnel system via a stairwell entrance.
As they make some initial progress, they hear explosions on the surface. This synchronizes with the military nukes from the previous episode.
How are the children saved from the aliens?
The kids continue through the tunnel, finding dead soldiers inside. It looks like the recon team was killed by the aliens. Then Monty’s little sister Penny goes missing, and one solo alien closes in on the group. The kids panic, unable to defend themselves. Luckily, the alien dies before attacking. This aligns with the attacks in the previous episode as well, when the aliens retreated. Because the alien ships were destroyed, the aliens lost all their powers and shut down, sparing the children.
Penny returns unharmed; she has found more aliens on her trip, although these ones are curled up in balls and appear to be dead or possibly dormant. Then, they notice a puddle of vibrating liquid. Jamila thinks this is the alien’s message. They are sending a transmission back to the mothership.
They soon find more dead bodies, this time next to a gate. Penny is traumatized by the piles of bodies and then the sounds of more aliens approaching. They don’t seem to be dead after all. If anything, they seem to have evolved and grown, returning with even greater strength.
The second subplot takes place in the Parisian hospital where Caspar is being treated. Doctor Esmee is the only scientist who is not celebrating their victory over the aliens; she is more concerned about Caspar’s health. The boy is dealing with an average of seven seizures every hour.
Caspar isn’t the only one in their care. The doctors appear to be researching and experimenting on other special children who can communicate with the aliens.
At the same time as the aliens reawaken in the tunnel, the hospital is also attacked by these evolved species.
Why can’t they move Caspar’s body?
The doctors and scientists pack up all their research and evacuate the building right away. But poor Caspar has to stay behind, as he is too fragile to be moved in his current condition.
Back in the tunnel, the kids are attacked by these new alien breeds. Unfortunately, Alfie’s makeshift flamethrower does nothing to these evolved beings. They seal a large gate and persevere through the tunnel to France, coming across a crashed train on their journey.
The kids hunt for new supplies and argue among themselves. Jamila blames herself for putting her friends in danger. She then sees a vision of Caspar; he communicates to her through a dream-like state.
They both agree to continue looking for one another. Caspar states that he is in communication with the aliens from within his coma.
What is blocking the tunnel’s exit?
This motivates Jamila and together the kids make a pathway through the wreckage towards freedom. This coincides with the aliens taking a different route as well. They start to gain on them. The kids make their way to the exit of the tunnel, but find that it has been barricaded and lined with explosives.
Invasion Season 2 Episode 4 Ending Explained
The kids call out for help and alert the military that are positioned on the other side of the wall. The soldiers help save the kids before they are attacked. Darwin just makes it through but is injured by the aliens. The military blows up the tunnel’s exit just as the aliens gather at the other side.
The soldiers all cheer, but poor Darwin is whisked off by the medics due to his injury. He urges the gang to carry on without him. They are now more determined than ever to find and save Caspar.
This unique boy is currently in imminent danger of his own, though, as the aliens break into his hospital. Caspar can’t defend himself as he is still in a coma and has seemingly been abandoned.
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