Is there are way to completely freeze character and play an animation that can't be interrupted?

I am working on a game, where players are climbing moving staircase and can cast spells (enchant) sections of it. One of the spells changes section into 1970's disco floor, and is supposed to freeze character and play a dance animation for 5 seconds. While I was able to freeze character, once a player tries to move or jump (which they usually do) the animation stops...

Since Create Stairs script is quite large I am posting just relevant section of it. (section fires when character touches the stairs's detection plate)

			--make player dance
			if stairBase.StairsType.Value == "disco" and not playersWhoDanced[player] and spell ~= "destroy" then
				print (player, " entered")
				playersWhoDanced[player] = true
				local dance = PlayerStatManager:letsDance(player) 
				--wait(1) -- let them climb a bit :)
				local memory = character.Humanoid.WalkSpeed
				character.Humanoid.WalkSpeed = 0
				wait(1)
				dance:Play()
				wait(5)
				dance:Stop()
				character.Humanoid.WalkSpeed = memory
				spawn(function()
					wait(2) -- i want players to dance at least twice
					playersWhoDanced[player] = false
				end)
			end

Relevant fragment of PlayerStatManager script:

-- Setup table that we will return to scripts that require the ModuleScript.
local PlayerStatManager = {}
 
local animation = Instance.new("Animation")
animation.AnimationId = "http://www.roblox.com/Asset?ID=507771019" -- dance animation

local danceAnimation ={}

 

function PlayerStatManager:letsDance(player)
	return danceAnimation[player]
end

local function setupPlayerData(player)

	local character = player.character or player.CharacterAdded:wait()
	local humanoid = character:WaitForChild("Humanoid")
	wait(3) -- lame I know, but i get strange errors otherwise
	danceAnimation[player] = humanoid:LoadAnimation(animation) 


end
 
-- Bind setupPlayerData to PlayerAdded to call it when player joins.
game.Players.PlayerAdded:connect(setupPlayerData)
 
-- Return the PlayerStatManager table to external scripts can access it.
return PlayerStatManager

Early Alpha can be accessed here. Just jump on the yellow beacon to cast disco spell.

https://www.roblox.com/games/2418401851