This article is about the mini-series. You may be looking for the group of characters.

Jack & the Sodor Construction Company or Jack and the Pack was a mini-series devised by Phil Fehrle to be a spin-off of Thomas the Tank Engine & Friends. Michael Angelis narrated all thirteen episodes in the UK and Michael Brandon narrated for the US.


The plan was soon scrapped when HiT Entertainment took over because they saw it as a rip-off of their other construction-based series, "Bob the Builder". Twenty-six episodes were planned, but because of financial difficulties, only thirteen (half of the series) were filmed. The characters only appeared in two sixth season episodes, Jack Jumps In and A Friend in Need. In 2006 a DVD, Thomas' Trusty Friends/On Site with Thomas and Other Adventures, was released. Since then, The Pack has made appearances in The Great Discovery special, the twelfth season episode, Percy and the Bandstand, the twentieth season episode, Mucking About and cameos in the nineteenth season episode, The Other Side of the Mountain, the twenty-first season episodes, The Fastest Red Engine on Sodor and A Shed for Edward and the twenty-second season episode, School of Duck as well as stock footages in the end segments of Trusty Trunky and Hunt the Truck.

Jack returned in CGI in the 2013 special, King of the Railway and appeared again in the second 2015 special, Sodor's Legend of the Lost Treasure, in which Alfie, Oliver, Max and Monty also returned.

For this series, large-scale models of Thomas and Percy were built. Two of these models are now on display at the Hara Model Railway Museum in Japan (previously on display at Thomas Town).

Head writer Andrew Brenner stated on his CV that he has worked on this series since 2010 which has since been removed for unknown reasons.


Screenshot Official title (top)
Original title (bottom)
Written by Original UK release date Episode number #
AVisitFromThomas48 "A Visit from Thomas" Paul Dawson 24th August 2006 #01
Whilst digging the foundations for a new school, Oliver the Excavator unearths a dinosaur skeleton.
JackOwnsUp23 "Jack Owns Up" Paul Larson 24th August 2006 #02
Jack knocks over some roofing slate. When Ned is blamed for the accident, will Jack do the right thing and own up to save his friend?
OnSiteWithThomas59 "On Site with Thomas" Will Ing 24th August 2006 #03
The Pack all argue about whose job is more important - including Patrick the Cement Mixer who ends up face-first in his own concrete.
Percy'sScaryTale42 "Percy's Scary Tale" Jonathan Trueman 24th August 2006 #04
Kelly tells a scary story about a one-eyed truck to the machines. Max and Monty tease everyone about it, but end up looking silly.
Kelly'sWindyDay12 "Kelly's Windy Day" Phil Fehrle 24th August 2006 #05
Kelly is blown over by strong winds which makes him nervous of working in windy conditions. Can he face up to his fear in order to save Isobella?
AHappyDayforPercy60 "A Happy Day for Percy Paul Larson 24th August 2006 #06
Byron the Bulldozer is tired of being ignored. He is later the centre of attention when he has to save Alfie.
ATaleforThomas12 "A Tale for Thomas" Paul Larson 2nd October 2006 #07
The Pack are repairing the Lightning Tree in Maithwaite Forest when Max and Monty run into it. The tree is about to collapse, but can Jack, Alfie, Kelly and Oliver save it?
ThomasAndTheMoles52 "Thomas and the Moles" Jan Needle 2nd October 2006 #08
Buster feels left out when he does not have any jobs to do. However, Miss Jenny discovers mole hills on a field and calls Buster to flatten the mole hills.
PercyHelpsOut48 "Percy Helps Out" Brian Trueman 2nd October 2006 #09
Nelson is tired of his job of always having to carry the other machines and dreams to be carried himself.
TheTortoiseAndTheHare12 "The Tortoise and the Hare" Will Ing 2nd October 2006 #10
Max and Monty tease Buster about being slow and challenge him to a race.
Thomas'TrustyFriends9 "Thomas' Trusty Friends" Paul Larson 2nd October 2006 #11
Ned is disappointed when Oliver is given the chance to demolish buildings.
AlfieHasKittens59 "Alfie Has Kittens" Abi Grant 2nd October 2006 #12
Alfie is depressed when the other machines tease him for being small. However, he learns that being small can be very useful.
MudGloriousMud38 "Mud Glorious Mud" Jonathan Trueman 2nd October 2006 #13
The machines run out of fuel, so Isobella is sent to pick up some more. She does not like getting dirty, but is forced to go through muddy paddocks.

Cancelled Episodes

Screenshot Official title (top)
Original title (bottom)
Written by Original UK release date Episode number #
NoImagePlaceholder "No Dozer is an Island" Brian Trueman n/a n/a
NoImagePlaceholder "Friendship Story" Will Ing n/a n/a
NoImagePlaceholder "Safety First" Robin Rigby n/a n/a
NoImagePlaceholder "Treasure Hunt" Robin Rigby n/a n/a
The machines go on a treasure hunt.
NoImagePlaceholder "Snow Rescue" Paul Dawson n/a n/a
A group of schoolchildren are trapped high in the mountains. Jack is fitted with a snowplough and rumbles into heroic action.
NoImagePlaceholder "Bossy Byron" Paul Larson n/a n/a
When Kelly is sent for repairs, Byron puts himself in charge and starts to boss all the other machines about.
NoImagePlaceholder "The Importance of Being Patrick" n/a n/a
Patrick feels he is being taken for granted and Miss Jenny gets a frantic phone call about holes in a concrete path.
NoImagePlaceholder "Pop Goes the Diesel" Paul Larson n/a n/a
Max and Monty tell Isobella that Miss Jenny will soon get rid of the steam-powered vehicles in favour of diesel-powered ones.
NoImagePlaceholder "Jack and the Quack" n/a n/a
Jack accidentally damages a duck pond and is disappointed when he is forced to look everywhere for the ducks.
NoImagePlaceholder "Alfie Has a Secret" n/a n/a
Alfie builds a crossing for some hedgehogs, while Jack and Isobella make one for the schoolchildren.
NoImagePlaceholder "Isobella Gets Steamed" n/a n/a
The vicar's tractor engine breaks down and Isobella has to pull the float with the choir.
NoImagePlaceholder "Jack and Alfie Swap" n/a n/a
Jack and Alfie decide to swap jobs. However, Jack grows restless and Alfie becomes exhausted.
NoImagePlaceholder "Kelly's Heroes" n/a n/a



Characters introduced


  • This series was filmed in 2003, but not released until 2006.
  • This series takes place between the seventh and eighth seasons.
  • This miniseries, if classified as a season, is the shortest season to date, having only 13 episodes.
  • This is the first series directed by Steve Asquith since the sixth season.
  • The eighth season intro and credits are used for the spin-off series.
  • This series was never shown in Latin America, Brazil, Denmark, Hungary, Italy, South Korea, Russia, Norway, Finland, Japan, Greece, Israel, Poland, Czech Republic, Romania or Sweden.
  • Percy's model for this series has red stepladders on the end of his running board instead of green and a green dome instead of gold.
  • A large scale model of Trevor was built for this series. The large scale model is now owned by ThomasTankMerch on Twitter. They also own an 7 plank truck that was used during the show's production.
  • A large scale model of George was built for this series, but was reworked to make Buster.
  • The Official Website, as well as various magazine articles and file facts, state that the Horrid Lorries were "especially built to work at Sodor Construction Company." It is therefore possible that they may have been originally intended to be a part of The Pack.
  • Thomas and/or Percy appear in every episode of the spin-off series it is likely had the series continued more of the locomotive characters would have been involved in certain episodes.